CREATE TABLE "table1_21330550_2" (
  "date" text,
  "time" text,
  "acc_team" text,
  "big_ten_team" text,
  "location" text,
  "television" text,
  "attendance" real,
  "winner" text,
  "challenge_leader" text
);

Question: How many locations have #12 Michigan State as the big ten team?
SQL: SELECT COUNT("location") FROM "table1_21330550_2" WHERE "big_ten_team"='#12 Michigan State';

Question: Who is the winner when bigten (2-1) is the challenge leader?
SQL: SELECT "winner" FROM "table1_21330550_2" WHERE "challenge_leader"='BigTen (2-1)';

Question: Who is the winner in the location of ljvm coliseum • winston-salem, nc?
SQL: SELECT "winner" FROM "table1_21330550_2" WHERE "location"='LJVM Coliseum • Winston-Salem, NC';

Question: What time was the acc team #17 wake forest?
SQL: SELECT "time" FROM "table1_21330550_2" WHERE "acc_team"='#17 Wake Forest';

Question: Which location has a time of 9:30pm?
SQL: SELECT "location" FROM "table1_21330550_2" WHERE "time"='9:30PM';

Question: How many dates have a big ten team of #10 purdue?
SQL: SELECT COUNT("date") FROM "table1_21330550_2" WHERE "big_ten_team"='#10 Purdue';