user: Question: How many people were in attendance when the group position was 3rd?
Columns: ['Date', 'Opponents', 'H / A', 'Result F – A', 'Attendance', 'Group position']
Types: ['text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['13 September 2000', 'Anderlecht', 'H', '5 – 1', 62749.0, '1st']
SQL:

assistant: SELECT "Attendance" FROM "Table" WHERE "Group position" = '3rd';