What was the tournament where Japan was the home team and Mexico was the away team?
CREATE TABLE "2011_fixtures_and_results" (
  "date" text,
  "tournament" text,
  "location" text,
  "home_team" text,
  "score" text,
  "away_team" text
);
SELECT "tournament" FROM "2011_fixtures_and_results" WHERE "away_team"='mexico' AND "home_team"='japan';