Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### 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