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_12791809_1 (year INTEGER, road_closed VARCHAR)
### Question:
What is thea year the road closed April 13?
### Answer:
SELECT MAX(year) FROM table_12791809_1 WHERE road_closed = "April 13"