CREATE TABLE match_season (College VARCHAR2, Team VARCHAR2)
CREATE TABLE team (Team_id VARCHAR2, Name VARCHAR2)

How many distinct colleges are associated with players from the team with name 'Columbus Crew'.
SELECT COUNT(DISTINCT T1.College) FROM match_season AS T1 JOIN team AS T2 ON T1.Team = T2.Team_id WHERE T2.Name = "Columbus Crew"
SELECT COUNT(DISTINCT "T1"."College") FROM "match_season" "T1" JOIN "team" "T2" ON "Columbus Crew" = "T2"."Name" AND "T1"."Team" = "T2"."Team_id"