How many celebrities had an 18October2007 Original air Date?
CREATE TABLE table_11642945_1 (celebrity VARCHAR, original_air_date VARCHAR)
SELECT COUNT(celebrity) FROM table_11642945_1 WHERE original_air_date = "18October2007"
### Context: CREATE TABLE table_11642945_1 (celebrity VARCHAR, original_air_date VARCHAR) ### Question: How many celebrities had an 18October2007 Original air Date? ### Answer: SELECT COUNT(celebrity) FROM table_11642945_1 WHERE original_air_date = "18October2007"