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"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_20669355_2 (height__ft_ VARCHAR, hometown VARCHAR) Question: How many different heights are there for the contestants from Warsaw? [/INST] SELECT COUNT(height__ft_) FROM table_20669355_2 WHERE hometown = "Warsaw" </s>