What is the best time for marcus marshall?
CREATE TABLE table_name_21 (best INTEGER, name VARCHAR)
SELECT AVG(best) FROM table_name_21 WHERE name = "marcus marshall"
### Context: CREATE TABLE table_name_21 (best INTEGER, name VARCHAR) ### Question: What is the best time for marcus marshall? ### Answer: SELECT AVG(best) FROM table_name_21 WHERE name = "marcus marshall"