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_27631756_2 (team VARCHAR, head_coach VARCHAR)
### Question:
How many teams have a head coach named mahdi ali?
### Answer:
SELECT COUNT(team) FROM table_27631756_2 WHERE head_coach = "Mahdi Ali"