Café Opera
Café Opera is a café and nightclub in Stockholm , Sweden in the Royal Swedish Opera building and part of the Opera Cellar ( "Operakällaren" ) . 
<triplet> Café Opera <subj> Opera Cellar <obj> part of <triplet> Stockholm <subj> Sweden <obj> country <triplet> Royal Swedish Opera <subj> Sweden <obj> country <triplet> Opera Cellar <subj> Sweden <obj> country