user: Question: How many people attended the game against the Pittsburgh Steelers?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Stadium', 'Record', 'Box scores', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 11', 'Cincinnati Bengals', 'L 27–13', 'Cleveland Browns Stadium', '0–1', 'Box', '73,013']
SQL:

assistant: SELECT "Attendance" FROM "Table" WHERE "Opponent" = 'Pittsburgh Steelers';