Question: Who {follows} and {followed by} of {{Lothair I} has {noble title} as {monarch of Italy}}
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q150735 p:P97 ?s . ?s ps:P97 wd:Q271148 . ?s pq:P155 ?value1 . ?s pq:P156 ?value2 }