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_25691838_2 (guest VARCHAR, production_code VARCHAR)
### Question:
Who were the guests in the episode with production code 6021? 
### Answer:
SELECT guest FROM table_25691838_2 WHERE production_code = 6021