user: Question: Name the average week for attendance of 75111
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 2, 1984', 'at Pittsburgh Steelers', 'W 37–27', 56709.0]
SQL:

assistant: SELECT AVG("Week") FROM "Table" WHERE "Attendance" = 75111.0;