What is the maac in the macc tournament results is quarterfinals?
CREATE TABLE "year_by_year_statistics" (
  "year" text,
  "maac" text,
  "overall" text,
  "regular_season_results" text,
  "maac_tournament_result" text,
  "ncaa_seed" text,
  "ncaa_round" text
);
SELECT "maac" FROM "year_by_year_statistics" WHERE "maac_tournament_result"='Quarterfinals';