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_name_15 (_number_of_cosponsors VARCHAR, date_introduced VARCHAR)
### Question:
How many cosponsors have a Date introduced of may 22, 2008?
### Answer:
SELECT COUNT(_number_of_cosponsors) FROM table_name_15 WHERE date_introduced = "may 22, 2008"