user: Question: Loss of De La Rosa (8–8) has what average attendance?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['September 1', 'Giants', '4–0', 'Sánchez (8–10)', 31388.0, '65–74']
SQL:

assistant: SELECT AVG("Attendance") FROM "Table" WHERE "Loss" = 'De La Rosa (8–8)';