Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
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?
### Answer:
SELECT COUNT(weight___lb__) FROM table_29970488_2 WHERE hometown = "Pittsburgh, PA"