name the fictional character painted by alan b . mcelroy and portrayed in halloween 4: the return of michael myers ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_creator dbr_Alan_B._McElroy sep_dot var_uri dbo_portrayer dbr_Halloween_4:_The_Return_of_Michael_Myers sep_dot var_uri a dbo_FictionalCharacter brack_close