user: Question: What was the attendance for the week before 10 with a result of L 12-15
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 11, 2004', 'at Miami Dolphins', 'W 17–7', '69,987']
SQL:

assistant: SELECT "Attendance" FROM "Table" WHERE "Week" < 10.0 AND "Result" = 'L 12-15';