How many different items appear in the weight column when Pittsburgh, PA is the hometown?
CREATE TABLE table_29970488_2 (weight___lb__ VARCHAR, hometown VARCHAR)
SELECT COUNT(weight___lb__) FROM table_29970488_2 WHERE hometown = "Pittsburgh, PA"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_29970488_2 (weight___lb__ VARCHAR, hometown VARCHAR) Question: How many different items appear in the weight column when Pittsburgh, PA is the hometown? [/INST] SELECT COUNT(weight___lb__) FROM table_29970488_2 WHERE hometown = "Pittsburgh, PA" </s>