user: Question: How much Total has Doubles of 45, and Doubles, II Class larger than 18?
Columns: ['Date', 'Doubles, I Class', 'Doubles, II Class', 'Greater Doubles', 'Doubles', 'Semidoubles', 'Total']
Types: ['real', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: [1568.0, 19.0, 17.0, 0.0, 53.0, 60.0, 149.0]
SQL:

assistant: SELECT SUM("Total") FROM "Table" WHERE "Doubles" = 45.0 AND "Doubles, II Class" > 18.0;