Who were the guests in the episode with production code 6021? 
CREATE TABLE table_25691838_2 (guest VARCHAR, production_code VARCHAR)
SELECT guest FROM table_25691838_2 WHERE production_code = 6021
### 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