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 matches (winner_name VARCHAR, YEAR VARCHAR)
### Question:
List the names of all winners who played in both 2013 and 2016.
### Answer:
SELECT winner_name FROM matches WHERE YEAR = 2013 INTERSECT SELECT winner_name FROM matches WHERE YEAR = 2016