For the game against the San Francisco 49ers what was the total attendance?
CREATE TABLE table_name_12 (attendance INTEGER, opponent VARCHAR)
SELECT SUM(attendance) FROM table_name_12 WHERE opponent = "san francisco 49ers"
### Context: CREATE TABLE table_name_12 (attendance INTEGER, opponent VARCHAR) ### Question: For the game against the San Francisco 49ers what was the total attendance? ### Answer: SELECT SUM(attendance) FROM table_name_12 WHERE opponent = "san francisco 49ers"