What is the average rank for the film directed by michael bay?
CREATE TABLE table_name_90 (rank INTEGER, director VARCHAR)
SELECT AVG(rank) FROM table_name_90 WHERE director = "michael bay"
### Context: CREATE TABLE table_name_90 (rank INTEGER, director VARCHAR) ### Question: What is the average rank for the film directed by michael bay? ### Answer: SELECT AVG(rank) FROM table_name_90 WHERE director = "michael bay"