How many longitudes have a diameter of 224.0?
CREATE TABLE table_16768245_2 (longitude VARCHAR, diameter VARCHAR)
SELECT COUNT(longitude) FROM table_16768245_2 WHERE diameter = "224.0"
### Context: CREATE TABLE table_16768245_2 (longitude VARCHAR, diameter VARCHAR) ### Question: How many longitudes have a diameter of 224.0? ### Answer: SELECT COUNT(longitude) FROM table_16768245_2 WHERE diameter = "224.0"