What was the score for Edmonton Drillers on January 6, 2008?
CREATE TABLE "exhibition_schedule" (
  "date" text,
  "home_team" text,
  "score" text,
  "visiting_team" text,
  "stadium" text
);
SELECT "score" FROM "exhibition_schedule" WHERE "visiting_team"='edmonton drillers' AND "date"='january 6, 2008';