Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_200_14 ( id number, "act" text, "year signed" number, "# albums released under bad boy" number )

### Question ###
what year did machine gun kelly sign with bad boy records ?

### Accurate SQL ###

SELECT "year signed" FROM table_200_14 WHERE "act" = 'machine gun kelly'