How many players got out in the first inning of match ID "548335"?
got out refers to Player_Out; the first inning refers to Innings_No = 1; match ID "548335" refers to Match_Id = 548335
SELECT SUM(CASE WHEN Match_Id = 548335 THEN 1 ELSE 0 END) FROM Wicket_Taken WHERE Innings_No = 1