Tell me who follows Pepin the Short who has the title of king of Franks.
SELECT ?value1 ?value2 WHERE { wd:Q81212 p:P97 ?s . ?s ps:P97 wd:Q22923081 . ?s pq:P156 ?value1 . ?s pq:P155 ?value2 }
pepin the short: Q81212 king of franks: Q22923081