What is the {solar telescope} with the {MAX(focal length)} whose {operator} is {Max Planck Institute for Solar System Research}  ?
How far can the Max Planck telescope see?
What is the farthest the Max Planck Institute for Solar System Research telescope can see?
SELECT ?r WHERE { ?r property:focal_length ?q . ?r property:operator resource:Max_Planck_Institute_for_Solar_System_Research . ?r rdf:type ontology:solar_telescope }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q1238291>.

?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/P2151>.
?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/P137> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q470648> .

}
ORDER BY DESC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q1238291 . ?ent wdt:P2151 ?obj . ?ent wdt:P137 wd:Q470648 } ORDER BY DESC(?obj)LIMIT 5 
GREGOR Vacuum Tower Telescope