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_1140105_6 (circuit VARCHAR, date VARCHAR)
### Question:
What is the total amount of circuts dated 22 april?
### Answer:
SELECT COUNT(circuit) FROM table_1140105_6 WHERE date = "22 April"