Question: Where was the aircraft operated with grilling that was introduced with -10000000-0-0?
Paraphrase: Where was the air ship worked with flame broiling that was presented with -10000000-0-0?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q264619 wdt:P121 ?answer . ?answer wdt:P580 ?x FILTER(contains(YEAR(?x),'0000'))}