SELECT winner_name FROM matches WHERE YEAR  =  2013 INTERSECT SELECT winner_name FROM matches WHERE YEAR  =  2016
What are the names of players who won in both 2013 and 2016?
SELECT winner_name FROM matches WHERE YEAR = 2013 INTERSECT SELECT winner_name FROM matches WHERE YEAR = 2016
select winner_name from matches where year = value intersect select winner_name from matches where year = value
What are the names of players who won in both 2013 and 2016 ?