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_204_840 ( id number, "no. in\nseries" number, "no. in\nseason" number, "title" text, "directed by" text, "written by" text, "original air date" text, "prod. code" text )

### Question ###
quiz show aired on march 21 , 1997 . what was the name of the next episode ?

### Accurate SQL ###

SELECT "title" FROM table_204_840 WHERE "no. in\nseason" = (SELECT "no. in\nseason" FROM table_204_840 WHERE "original air date" = 'march 21, 1997') + 1