CREATE TABLE "table1_29535057_4" (
  "date" text,
  "time" text,
  "acc_team" text,
  "big_ten_team" text,
  "location" text,
  "television" text,
  "attendance" real,
  "winner" text,
  "challenge_leader" text
);

Question: What was the time of the games that took place at the cassell coliseum • blacksburg, va?
SQL: SELECT "time" FROM "table1_29535057_4" WHERE "location"='Cassell Coliseum • Blacksburg, VA';

Question: How many challenge leaders were there of the games won by virginia (87-79)?
SQL: SELECT COUNT("challenge_leader") FROM "table1_29535057_4" WHERE "winner"='Virginia (87-79)';

Question: Who were the challenge leaders of the games won by boston college (88-76)?
SQL: SELECT "challenge_leader" FROM "table1_29535057_4" WHERE "winner"='Boston College (88-76)';

Question: Where did the games that had Wake Forest as Acc Team take place?
SQL: SELECT "location" FROM "table1_29535057_4" WHERE "acc_team"='Wake Forest';

Question: Where did the games that had Wisconsin as big ten team take place?
SQL: SELECT "location" FROM "table1_29535057_4" WHERE "big_ten_team"='Wisconsin';