Table: card_nfl_1984
Columns: week
date
opponent
result
attendance

Question: Who was the opponent on October 14, 1984?
SQL: SELECT "opponent" FROM card_nfl_1984 WHERE "date" = 'october 14, 1984'

Question: What was the result in a week lower than 10 with an opponent of Chicago Bears?
SQL: SELECT "result" FROM card_nfl_1984 WHERE "week" < 10 AND "opponent" = 'chicago bears'

Question: What is the sum of attendance when the result was l 16-13?
SQL: SELECT SUM("attendance") FROM card_nfl_1984 WHERE "result" = 'l 16-13'