What is the {working life museum} with the {MAX(focal height)} whose {source of energy} is {electricity}  ?
What museum powered by electricity has the highest ceilings?
select ?ent where { ?ent wdt:P31 wd:Q10416961 . ?ent wdt:P2923 ?obj . ?ent wdt:P618 wd:Q12725 } ORDER BY DESC(?obj)LIMIT 5 
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q10416961>.

?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?ent .
?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2923>.
?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj1.

?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?ent .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P618> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q12725> .

}
ORDER BY DESC(?obj1)
LIMIT 5
Which museum, that is powered by electrical output, has ceilings at the tallest point?