What episode number was directed by Craig Ross, Jr.
CREATE TABLE table_21550897_1 (_number VARCHAR, directed_by VARCHAR)
SELECT _number FROM table_21550897_1 WHERE directed_by = "Craig Ross, Jr."
### Context: CREATE TABLE table_21550897_1 (_number VARCHAR, directed_by VARCHAR) ### Question: What episode number was directed by Craig Ross, Jr. ### Answer: SELECT _number FROM table_21550897_1 WHERE directed_by = "Craig Ross, Jr."