what is the company which has ludvig g . braathen and ludvig g . braathen as key person ?
SELECT DISTINCT var_uri where brack_open var_uri dbp_keyPeople dbr_Ludvig_G._Braathen sep_dot var_uri dbp_keyPeople dbr_Ludvig_G._Braathen sep_dot var_uri a dbo_Company brack_close