user: Question: What was the BBI for the bowler whose average is 24.50?
Columns: ['Player', 'Matches', 'Overs', 'Wickets', 'Average', 'Economy', 'BBI', '4wi']
Types: ['text', 'real', 'text', 'real', 'text', 'text', 'text', 'real']
Sample row: ['Ben Phillips Category:Articles with hCards', 8.0, '47.0', 14.0, '14.00', '4.17', '3/24', 0.0]
SQL:

assistant: SELECT "BBI" FROM "Table" WHERE "Average" = '24.50';