user: Question: What is the 9:30 feature with La Porte des étoiles at 8:30?
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', 'Canadian Antiques Roadshow', 'Royal Canadian Air Farce', 'Rick Mercer Report', 'Torchwood', 'Torchwood', 'The National']
SQL:

assistant: SELECT "9:30" FROM "Table" WHERE "8:30" = 'La Porte des étoiles';