question: What is the episode number of the episode that originally aired on January 26, 2009 and had a production number smaller than 38?
answer: SELECT COUNT(episode_no) FROM table_name_53 WHERE original_airdate = "january 26, 2009" AND production_no < 38
context: CREATE TABLE table_name_53 (episode_no VARCHAR, original_airdate VARCHAR, production_no VARCHAR)