user: Question: What is on tv at 9:30 on the same channel that had e2 on at 7:30?
Columns: ['7:00', '7:30', '8:00', '8:30', '9:00', '9:30', '10:00']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Coronation Street', 'Who Do You Think You Are?', 'The Nature of Things', 'The Nature of Things', 'Doc Zone', 'Doc Zone', 'The National']
SQL:

assistant: SELECT "9:30" FROM "Table" WHERE "7:30" = 'e2';