What is the number of contestants who are aged exactly 18?
CREATE TABLE table_25461827_2 (contestant VARCHAR, age VARCHAR)
SELECT COUNT(contestant) FROM table_25461827_2 WHERE age = 18
### Context: CREATE TABLE table_25461827_2 (contestant VARCHAR, age VARCHAR) ### Question: What is the number of contestants who are aged exactly 18? ### Answer: SELECT COUNT(contestant) FROM table_25461827_2 WHERE age = 18