question: What is the production code of the episode written by Gary Sturgis that is bigger than season number 23 and smaller than series number 126?
answer: SELECT production_code FROM table_name_75 WHERE season__number > 23 AND series__number < 126 AND written_by = "gary sturgis"
context: CREATE TABLE table_name_75 (production_code VARCHAR, written_by VARCHAR, season__number VARCHAR, series__number VARCHAR)