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_43 (sponsor VARCHAR, date_introduced VARCHAR)
### Question:
Who was the sponsor on April 22, 2004?
### Answer:
SELECT sponsor FROM table_name_43 WHERE date_introduced = "april 22, 2004"