In how many games in which the batting team was the Delhi Daredevils were no runs scored?
batting team was the Delhi Daredevils refers to Team_Name = 'Delhi Daredevils' and Team_1 = Team_Id where Team_Batting = 1 or Team_2 = Team_Id where Team_Batting = 2; no runs scored refers to Runs_Scored = 0
SELECT COUNT(T1.Runs_Scored) FROM Batsman_Scored AS T1 INNER JOIN Ball_by_Ball AS T2 ON T1.Match_Id = T2.Match_Id INNER JOIN Match AS T3 ON T2.Match_Id = T3.Match_Id INNER JOIN Team AS T4 ON T3.Team_1 = T4.Team_Id WHERE T2.Team_Batting = 1 OR T2.Team_Batting = 2 AND T4.Team_Name = 'Delhi Daredevils'