CREATE TABLE table_72488 ("Position" FLOAT, "Artist" TEXT, "Song title" TEXT, "Highest position" FLOAT, "Points" FLOAT)

what is the nme of the song performed by billy vaughn?
SELECT "Song title" FROM table_72488 WHERE "Artist" = 'Billy Vaughn'
SELECT "Song title" FROM "table_72488" WHERE "Artist" = 'Billy Vaughn'