user: ### NOW ANSWER:
Question: before week 12 what was the attendance on 1983-11-21?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Game site', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'real']
Sample row: [1.0, '1983-09-04', 'at San Diego Chargers', 'W 41–29', 'Jack Murphy Stadium', 51004.0]
SQL:

assistant: SELECT SUM("Attendance") FROM "Table" WHERE "Date" = '1983-11-21' AND "Week" < 12.0;