What is the {Swiss federal popular initiative} with the {MAX(total valid votes)} ?
from how many votes is the Swiss Federal People's Initiative valid?
select ?ent where { ?ent wdt:P31 wd:Q15078695 . ?ent wdt:P1697 ?obj } ORDER BY DESC(?obj)LIMIT 5 
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q15078695>.
?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/P1697>.
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .}
ORDER BY DESC(?obj)
LIMIT 5
How many votes are needed to make the Swiss Federal People's Initiative valid?