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_51 (congress VARCHAR, _number_of_cosponsors VARCHAR)
### Question:
Which Congress has a # of cosponsors of 19?
### Answer:
SELECT congress FROM table_name_51 WHERE _number_of_cosponsors = 19