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_name_4 (years VARCHAR, jersey_number_s_ VARCHAR, position VARCHAR)
### Question:
What years did the player with the jersey number 33 and played position pf play?
### Answer:
SELECT years FROM table_name_4 WHERE jersey_number_s_ = 33 AND position = "pf"