Name the number of writers for airdate of 15 july 1967
CREATE TABLE table_20345624_2 (writer VARCHAR, original_airdate VARCHAR)
SELECT COUNT(writer) FROM table_20345624_2 WHERE original_airdate = "15 July 1967"
### Context: CREATE TABLE table_20345624_2 (writer VARCHAR, original_airdate VARCHAR) ### Question: Name the number of writers for airdate of 15 july 1967 ### Answer: SELECT COUNT(writer) FROM table_20345624_2 WHERE original_airdate = "15 July 1967"