What is the race with the track distance of 6 furlongs and spectacular bid stakes?
CREATE TABLE "belmont_stakes_feature_key_prep_races_li" (
  "date" text,
  "track" text,
  "race" text,
  "distance" text,
  "surface_track" text,
  "winning_horse" text,
  "winning_jockey" text
);
SELECT "track" FROM "belmont_stakes_feature_key_prep_races_li" WHERE "distance"='6 furlongs' AND "race"='spectacular bid stakes';