user: Question: What was the average attendance at a game when the record was 6-13?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['April 1', 'Yankees', '10 - 1', 'Lidle (0-1)', 15176.0, '0-2']
SQL:

assistant: SELECT AVG("Attendance") FROM "Table" WHERE "Record" = '6-13';