What is the {FIRS Roller Hockey World Cup} with the {MIN(number of matches played)} whose {sport} is {roller hockey}  ?
When was the first Roller Hockey World Cup?
select ?ent where { ?ent wdt:P31 wd:Q327110 . ?ent wdt:P1350 ?obj . ?ent wdt:P641 wd:Q1748406} ORDER BY ASC(?obj)LIMIT 5 
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q327110>.

?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/P1350>.
?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/P641> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q1748406> .

}
ORDER BY ASC(?obj1)
LIMIT 5
When did the first Roller Hockey World Cup happen?