user: Question: What is the total number of Maidens when E.R. is less than 9.5, and a Overs Bowled larger than 57, and a Wickets of 9?
Columns: ['Name', 'Overs Bowled', 'Maidens', 'Runs Conceded', 'Wickets', 'Extras', 'E.R.']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Chaminda Vaas', 62.0, 3.0, 270.0, 5.0, 1.0, 4.35]
SQL:

assistant: SELECT SUM("Maidens") FROM "Table" WHERE "E.R." < 9.5 AND "Overs Bowled" > 57.0 AND "Wickets" = 9.0;