CREATE TABLE table_46870 ("Date" TEXT, "Result" TEXT, "Opponent" TEXT, "Event" TEXT, "Location" TEXT, "Method" TEXT, "Record" TEXT)

what is the event when the location is saitama, japan?
SELECT "Event" FROM table_46870 WHERE "Location" = 'saitama, japan'
SELECT "Event" FROM "table_46870" WHERE "Location" = 'saitama, japan'