Give the name of the league with the highest matches of all time and how many matches were played in the said league.
name of the league refers to League.name; league with highest matches of all time refers to MAX(COUNT(league_id));
SELECT t2.name, COUNT(t1.id) FROM Match AS t1 INNER JOIN League AS t2 ON t1.league_id = t2.id GROUP BY t2.name ORDER BY COUNT(t1.id) DESC LIMIT 1