CREATE TABLE table_42641 ("Date" TEXT, "Tournament" TEXT, "Location" TEXT, "Home team" TEXT, "Score" TEXT, "Away team" TEXT)

What was the tournament where Japan was the home team and Mexico was the away team?
SELECT "Tournament" FROM table_42641 WHERE "Away team" = 'mexico' AND "Home team" = 'japan'
SELECT "Tournament" FROM "table_42641" WHERE "Away team" = 'mexico' AND "Home team" = 'japan'