SELECT count(*) FROM technician
What is the number of technicians?
PRAGMA foreign_keys = ON;


CREATE TABLE "repair" (
"repair_ID" int,
"name" text,
"Launch_Date" text,
"Notes" text,
PRIMARY KEY ("repair_ID")
);

INSERT INTO  "repair" VALUES (1,"Discoverer","21 Jan 2009","repair Failed. Failed to achieve orbit");
INSERT INTO  "repair" VALUES (2,"Discoverer 1","28 Feb 2009","First object in polar orbit");
INSERT INTO  "repair" VALUES (3,"Discoverer 3","03 Jun 2009","repair failed. Failed to achieve orbit");
INSERT INTO  "repair" VALUES (4,"OPS 3236","13 Jun 2014","First object in polar orbit");
INSERT INTO  "repair" VALUES (5,"OPS 3467","24 Mar 2014","repair failed. Guidance system failed. No orbit.");
INSERT INTO  "repair" VALUES (6,"OPS 3754","19 Jun 2014","Out-of-focus area on some film.");
INSERT INTO  "repair" VALUES (7,"OPS 3491","10 Jun 2014","Cameras operated satisfactorily");
INSERT INTO  "repair" VALUES (8,"OPS 3042","05 Aug 2014","Cameras operated successfully.");
INSERT INTO  "repair" VALUES (9,"OPS 3360","18 Nov 2014","Cameras operated successfully.");

CREATE TABLE "machine" (
"Machine_ID" int,
"Making_Year" int,
"Class" text,
"Team" text,
"Machine_series" text,
"value_points" real,
"quality_rank" int,
PRIMARY KEY ("Machine_ID")
);

INSERT INTO  "machine" VALUES (1,"1991","125cc","Hero Sports TS- Honda","RS125","105",2);
INSERT INTO  "machine" VALUES (2,"1992","125cc","Marlboro Pileri - Honda","RS125","57",1);
INSERT INTO  "machine" VALUES (3,"1993","125cc","Marlboro Pileri - Honda","RS125","129",4);
INSERT INTO  "machine" VALUES (4,"1994","125cc","Givi Racing- Honda","RS125","194",5);
INSERT INTO  "machine" VALUES (5,"1995","125cc","Givi Racing- Honda","RS125","65",3);
INSERT INTO  "machine" VALUES (6,"1996","125cc","Honda","RS125","126",7);
INSERT INTO  "machine" VALUES (7,"1997","125cc","Honda","RS125","238",8);
INSERT INTO  "machine" VALUES (8,"1998","125cc","Team Givi- Honda LCR","RS125","62",13);
INSERT INTO  "machine" VALUES (9,"1999","125cc","Team Givi- Honda LCR","RS125","171",11);


CREATE TABLE "technician" (
"technician_id" real,
"Name" text,
"Team" text,
"Starting_Year" real,
"Age" int,
PRIMARY Key ("technician_id")
);


INSERT INTO  "technician" VALUES ("1","Joe Sewell","NYY","2012",37);
INSERT INTO  "technician" VALUES ("2","John Brown","NYY","2013",36);
INSERT INTO  "technician" VALUES ("3","Tony Sewell","CLE","2005",43);
INSERT INTO  "technician" VALUES ("4","Mark Sewell","CLE","2009",28);
INSERT INTO  "technician" VALUES ("5","Charlie Hollocher","CHC","2002",35);
INSERT INTO  "technician" VALUES ("6","Lou Boudreau","CLE","2016",32);
INSERT INTO  "technician" VALUES ("7","Eddie Collins","CWS","2005",45);
INSERT INTO  "technician" VALUES ("8","Joe Cochrane","CLE","2006",46);
INSERT INTO  "technician" VALUES ("9","Eddie Collins","CWS","2003",47);
INSERT INTO  "technician" VALUES ("10","Mickey Cochrane","PHA","2009",38);



CREATE TABLE "repair_assignment" (
"technician_id" int,
"repair_ID" int,
"Machine_ID" int,
PRIMARY Key ("technician_id","repair_ID","Machine_ID"),
FOREIGN KEY (`technician_id`) REFERENCES `technician`(`technician_id`),
FOREIGN KEY (`repair_ID`) REFERENCES `repair`(`repair_ID`),
FOREIGN KEY (`Machine_ID`) REFERENCES `machine`(`Machine_ID`)
);

INSERT INTO  "repair_assignment" VALUES (1,1,1);
INSERT INTO  "repair_assignment" VALUES (2,2,2);
INSERT INTO  "repair_assignment" VALUES (3,3,3);
INSERT INTO  "repair_assignment" VALUES (1,4,7);
INSERT INTO  "repair_assignment" VALUES (1,5,6);
INSERT INTO  "repair_assignment" VALUES (1,2,3);
INSERT INTO  "repair_assignment" VALUES (1,8,7);
INSERT INTO  "repair_assignment" VALUES (5,5,2);
INSERT INTO  "repair_assignment" VALUES (7,2,4);


(10,)
