which subsidiary of air arabia serves both queen alia international airport and queen alia international airport ?
select distinct var_uri where brack_open dbr_Air_Arabia dbo_subsidiary var_uri sep_dot var_uri dbo_targetAirport dbr_Queen_Alia_International_Airport sep_dot var_uri dbo_targetAirport dbr_Queen_Alia_International_Airport sep_dot brack_close