which subsidiary of cobham aviation services australia serves both tabubil airport and tabubil airport ?
select distinct var_uri where brack_open dbr_Cobham_Aviation_Services_Australia dbo_subsidiary var_uri sep_dot var_uri dbo_targetAirport dbr_Tabubil_Airport sep_dot var_uri dbo_targetAirport dbr_Tabubil_Airport sep_dot brack_close