which subsidiary of norwegian air shuttle / norwegian long haul tail art serves both john f . kennedy international airport and john f . kennedy international airport ?
select distinct var_uri where brack_open dbr_Norwegian_Air_Shuttle_/_Norwegian_Long_Haul_tail_art dbo_subsidiary var_uri sep_dot var_uri dbo_targetAirport dbr_John_F._Kennedy_International_Airport sep_dot var_uri dbo_targetAirport dbr_John_F._Kennedy_International_Airport sep_dot brack_close