CREATE TABLE table_7980 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" FLOAT, "Time" TEXT, "Location" TEXT)

In which location was the method decision (split)?
SELECT "Location" FROM table_7980 WHERE "Method" = 'decision (split)'
SELECT "Location" FROM "table_7980" WHERE "Method" = 'decision (split)'