CREATE TABLE table_47712 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Time" TEXT, "Location" TEXT)

What was the method when 4-2 was the record?
SELECT "Method" FROM table_47712 WHERE "Record" = '4-2'
SELECT "Method" FROM "table_47712" WHERE "Record" = '4-2'