when area (km²) is 1605.35, how many provinces are there?
CREATE TABLE table_1888051_1 (province VARCHAR, area__km²_ VARCHAR)
SELECT COUNT(province) FROM table_1888051_1 WHERE area__km²_ = "1605.35"
### Context: CREATE TABLE table_1888051_1 (province VARCHAR, area__km²_ VARCHAR) ### Question: when area (km²) is 1605.35, how many provinces are there? ### Answer: SELECT COUNT(province) FROM table_1888051_1 WHERE area__km²_ = "1605.35"