Question: What stout is based on the establishment date of 1800-0-0?
Paraphrase: What heavy is based on the foundation date of 1800-0-0?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q217825 wdt:P144 ?answer . ?answer wdt:P571 ?x FILTER(contains(YEAR(?x),'1800'))}
Answer: porter