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."
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_21550897_1 (_number VARCHAR, directed_by VARCHAR) Question: What episode number was directed by Craig Ross, Jr. [/INST] SELECT _number FROM table_21550897_1 WHERE directed_by = "Craig Ross, Jr." </s>