user: ### NOW ANSWER:
Question: When Grey's Anatomy aired at 9:30 what aired at 9:00?
Columns: ['8:00', '8:30', '9:00', '9:30', '10:00']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['In the Motherhood', 'Samantha Who?', "Grey's Anatomy", "Grey's Anatomy", 'Private Practice']
SQL:

assistant: SELECT "9:00" FROM "Table" WHERE "9:30" = 'Grey''s Anatomy';