what is the owning organisation of the christchurch railway station and also the builder of the nzr 50-foot carriage ?
SELECT DISTINCT var_uri where brack_open dbr_Christchurch_Railway_Station_ attr_open New_Zealand attr_close dbo_owningOrganisation var_uri sep_dot dbr_NZR_50-foot_carriage dbo_manufacturer var_uri brack_close