Question: The Cierva C.8 was built by Juan de la Cierva in association with a company founded in what year?
Sentence (from "Avro"): Avro was a British aircraft manufacturer founded in 1910 whose designs include the Avro 504 used as a trainer in the First World War, the Avro Lancaster, one of the pre-eminent bombers of the Second World War, and the delta wing Avro Vulcan, a stalwart of the Cold War.
Relevant evidence: Yes