How many different heights are there for the contestants from Warsaw?
CREATE TABLE table_20669355_2 (height__ft_ VARCHAR, hometown VARCHAR)
SELECT COUNT(height__ft_) FROM table_20669355_2 WHERE hometown = "Warsaw"
### Context: CREATE TABLE table_20669355_2 (height__ft_ VARCHAR, hometown VARCHAR) ### Question: How many different heights are there for the contestants from Warsaw? ### Answer: SELECT COUNT(height__ft_) FROM table_20669355_2 WHERE hometown = "Warsaw"