user: Question: What is the 8:30 program that airs on the station that airs Various programs at 7:30?
Columns: ['7:00', '7:30', '8:00', '8:30', '9:00', '9:30', '10:00', '10:30']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Mr. Bean', 'Just for Laughs', 'Air Farce', 'The Red Green Show', 'Black Harbour', 'Black Harbour', 'The National', 'The National']
SQL:

assistant: SELECT "8:30" FROM "Table" WHERE "7:30" = 'Various programs';