CREATE TABLE table_48089 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Time" TEXT, "Location" TEXT)

Which Method has a Round of 1, and a Record of 4 2?
SELECT "Method" FROM table_48089 WHERE "Round" = '1' AND "Record" = '4–2'
SELECT "Method" FROM "table_48089" WHERE "Record" = '4–2' AND "Round" = '1'