Context: CREATE TABLE table_1714685_1 (title VARCHAR, aired_in_japan_3 VARCHAR)
Question: When  7 april 2001 to 29 september 2001 was aired in japan 2 how many titles were there?
Answer: SELECT COUNT(title) FROM table_1714685_1 WHERE aired_in_japan_3 = "7 April 2001 to 29 September 2001"