user: Question: what is the sum of the wkts when the ovrs were bigger than 2 and econ was bigger than 7.84?
Columns: ['Player', 'Wkts', 'Runs', 'Econ', 'Ovrs']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Shane Watson', 1.0, 17.0, 7.84, 2.1]
SQL:

assistant: SELECT SUM("Wkts") FROM "Table" WHERE "Ovrs" > 2.0 AND "Econ" > 7.84;