What is the {Precipitation hardening} with the {MAX(ultimate tensile strength)} ?
Which Precipitation hardening has the highest ultimate tensile strength?
select ?ent where { ?ent wdt:P31 wd:Q779974 . ?ent wdt:P5479 ?obj } ORDER BY DESC(?obj)LIMIT 5 
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q779974>.
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?ent .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P5479>.
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .}
ORDER BY DESC(?obj)
LIMIT 5
What precipitation hardening has the most tensile strength?