What is {main topic} of {Greek alphabet}, that has {cases} is {accusative case} ?
What is the most important subject of the Greek alphabet, that has the cases which is an accusative case?
What is the main topic of  the Greek alphabet, that has the cases which is an accusative case?
SELECT ?t WHERE { resource:Greek property:facet_of ?t . ?t property:has_grammatical_case resource:accusative_case }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q8216> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1269>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?answer. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2989> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q146078> . }
SELECT ?answer WHERE { wd:Q8216 wdt:P1269 ?answer . ?answer wdt:P2989 wd:Q146078}