How many times has Sunrisers Hyderabad been the toss winner of a game?
Sunrisers Hyderabad refers to Team_Name = 'Sunrisers Hyderabad'; time of toss winner refers to count(Toss_Winner)
SELECT SUM(CASE WHEN Toss_Winner = ( SELECT Team_Id FROM Team WHERE Team_Name = 'Sunrisers Hyderabad' ) THEN 1 ELSE 0 END) FROM `Match`