How many times does M Chinnaswamy Stadium host games than Maharashtra Cricket Association Stadium?
M Chinnaswamy Stadium refers to Venue_Name = 'M Chinnaswamy Stadium'; Maharashtra Cricket Association Stadium refers to Venue_Name = 'Maharashtra Cricket Association Stadium'; how many times = divide(count(Match_Id where Venue_Name = 'M Chinnaswamy Stadium'), count(Match_Id where Venue_Name = 'Maharashtra Cricket Association Stadium'))
SELECT SUM(CASE WHEN T2.Venue_Name = 'M Chinnaswamy Stadium' THEN 1 ELSE 0 END) - SUM(CASE WHEN T2.Venue_Name = 'Maharashtra Cricket Association Stadium' THEN 1 ELSE 0 END) FROM `Match` AS T1 INNER JOIN Venue AS T2 ON T1.Venue_Id = T2.Venue_Id