In what percentage of games played at the Dr DY Patil Sports Academy venue did the winning team win by a margin of less than 10?
Dr DY Patil Sports Academy venue refers to Venue_Name = 'Dr DY Patil Sports Academy'; win by a margin of less than 10 refers to Win_Margin < 10; percentage = divide(count(Venue_Id) when Win_Margin < 10, sum(Venue_Id)) as percentage
SELECT CAST(COUNT(CASE WHEN T2.Win_Margin < 10 THEN 1 ELSE 0 END) AS REAL) * 100 / TOTAL(T1.Venue_Id) FROM Venue AS T1 INNER JOIN Match AS T2 ON T1.Venue_Id = T2.Venue_Id WHERE T1.Venue_Name = 'Dr DY Patil Sports Academy'