who directed the production code 2t5710?
CREATE TABLE table_21726793_1 (directed_by VARCHAR, production_code VARCHAR)
SELECT directed_by FROM table_21726793_1 WHERE production_code = "2T5710"
### Context: CREATE TABLE table_21726793_1 (directed_by VARCHAR, production_code VARCHAR) ### Question: who directed the production code 2t5710? ### Answer: SELECT directed_by FROM table_21726793_1 WHERE production_code = "2T5710"