CREATE TABLE table_46604 ("Res." CLOB, "Record" CLOB, "Opponent" CLOB, "Method" CLOB, "Event" CLOB, "Round" CLOB, "Location" CLOB)

In which location did the Meca World Vale Tudo 6 event happen?
SELECT "Location" FROM table_46604 WHERE "Event" = 'meca world vale tudo 6'
SELECT "Location" FROM "table_46604" WHERE "Event" = 'meca world vale tudo 6'