What is {follows} and {followed by} of {{Louis the Pious} has {noble title} as {king of Franks}}
Who were the kings of the Franks before and after Louis the Pious?
Mention the predecessor and the successor of Louis the Pious while being recognized as king of Franks
SELECT ?x ?a WHERE { ?m property:follows ?x . ?m property:noble_title resource:king_of_Franks . ?m property:followed_by ?a . resource:Louis_the_Pious property:noble_title ?m }
select distinct ?value1 ?value2 where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q43974> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P97> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q22923081>. ?statement <http://www.wikidata.org/entity/P580> ?value1 . ?statement <http://www.wikidata.org/entity/P2842> ?value2 } 
SELECT ?value1 ?value2 WHERE { wd:Q43974 p:P97 ?s . ?s ps:P97 wd:Q22923081 . ?s pq:P155 ?value1 . ?s pq:P156 ?value2 }