What is the {February 17} with the {MAX(time index)} whose {topic's main category} is {Category:March 2, 2018}  ?
when did february 17 show as march 2, 2018?
What is the February 17 time index that shows category March 2, 2018?
SELECT ?q WHERE { ?q property:topic's_main_category resource:Category:March_2,_2018 . ?q property:time_index ?u . ?q rdf:type ontology:February_17 }
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5439739>.

?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/P4895>.
?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/P910> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q46452137> .

}
ORDER BY DESC(?obj1)
LIMIT 5
select ?ent where { ?ent wdt:P31 wd:Q5439739 . ?ent wdt:P4895 ?obj . ?ent wdt:P910 wd:Q46452137 } ORDER BY DESC(?obj)LIMIT 5 
2 March 2018