SELECT count(*) FROM matches WHERE YEAR  =  2013 OR YEAR  =  2016
List the number of all matches who played in years of 2013 or 2016.
SELECT count ( * ) FROM matches WHERE YEAR = 2013 OR YEAR = 2016
select count ( * ) from matches where year = value or year = value
List the number of all matches who played in years of 2013 or 2016 .