user: Question: What's the attendance of the san diego chargers game before week 6?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 9, 1962', 'New York Titans', 'L 28–17', 12893.0]
SQL:

assistant: SELECT "Attendance" FROM "Table" WHERE "Week" < 6.0 AND "Opponent" = 'san diego chargers';