what is the nationality of the edward higgins white which is also the sovereign state of the annunciation melkite catholic cathedral
SELECT DISTINCT var_uri where brack_open dbr_Edward_Higgins_White dbo_nationality var_uri sep_dot dbr_Annunciation_Melkite_Catholic_Cathedral_ attr_open West_Roxbury,_Massachusetts attr_close dbo_country var_uri brack_close