Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_42641 ( "Date" text, "Tournament" text, "Location" text, "Home team" text, "Score" text, "Away team" text )

### Question ###
What was the tournament where Japan was the home team and Mexico was the away team?

### Accurate SQL ###

SELECT "Tournament" FROM table_42641 WHERE "Away team" = 'mexico' AND "Home team" = 'japan'