user: Question: Name the average econ for runs more than 703 and ovrs more than 25.5
Columns: ['Player', 'Wkts', 'Runs', 'Econ', 'Ovrs']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Brett Lee', 29.0, 703.0, 4.9, 143.2]
SQL:

assistant: SELECT AVG("Econ") FROM "Table" WHERE "Ovrs" > 25.5 AND "Runs" > 703.0;