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_15781170_2 (poll_winner VARCHAR, original_air_date VARCHAR)
### Question:
Name the poll winner for march 19, 2008
### Answer:
SELECT COUNT(poll_winner) FROM table_15781170_2 WHERE original_air_date = "March 19, 2008"