How many different numbers of floors are there for the Chongqing Poly Tower?
CREATE TABLE table_23759976_1 (floors VARCHAR, building_ VARCHAR, a_ VARCHAR)
SELECT COUNT(floors) FROM table_23759976_1 WHERE building_[a_] = "Chongqing Poly Tower"
### Context: CREATE TABLE table_23759976_1 (floors VARCHAR, building_ VARCHAR, a_ VARCHAR) ### Question: How many different numbers of floors are there for the Chongqing Poly Tower? ### Answer: SELECT COUNT(floors) FROM table_23759976_1 WHERE building_[a_] = "Chongqing Poly Tower"