How many 2010 estimations have been done in the city of Cremona?
CREATE TABLE table_10138926_1 (city VARCHAR)
SELECT COUNT(2010 AS _est) FROM table_10138926_1 WHERE city = "Cremona"
### Context: CREATE TABLE table_10138926_1 (city VARCHAR) ### Question: How many 2010 estimations have been done in the city of Cremona? ### Answer: SELECT COUNT(2010 AS _est) FROM table_10138926_1 WHERE city = "Cremona"