who directed the episode written by Shonda Rhimes?
CREATE TABLE table_23492454_1 (directed_by VARCHAR, written_by VARCHAR)
SELECT directed_by FROM table_23492454_1 WHERE written_by = "Shonda Rhimes"
### Context: CREATE TABLE table_23492454_1 (directed_by VARCHAR, written_by VARCHAR) ### Question: who directed the episode written by Shonda Rhimes? ### Answer: SELECT directed_by FROM table_23492454_1 WHERE written_by = "Shonda Rhimes"