user: Question: Name the average Blank Ends  which has a Shot % smaller than 78, and a Ends Won larger than 43?
Columns: ['Country', 'Skip', 'Ends Won', 'Ends Lost', 'Blank Ends', 'Stolen Ends', 'Shot %']
Types: ['text', 'text', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Canada', 'Kevin Martin', 49.0, 37.0, 10.0, 14.0, 87.0]
SQL:

assistant: SELECT AVG("Blank Ends") FROM "Table" WHERE "Shot %" < 78.0 AND "Ends Won" > 43.0;