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_171320_3 (region_1 VARCHAR, region_4 VARCHAR)
### Question:
Name the region 1 where region 4 for april 2, 2009
### Answer:
SELECT region_1 FROM table_171320_3 WHERE region_4 = "April 2, 2009"