Question: What is the vapor pressure of hydrogen cyanide at the temperature 68 degrees?
Paraphrase: Give me the vapor pressure of hydrogen cyanide at the temperature 68 degrees.
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q26075 p:P2119 ?s . ?s ps:P2119 ?obj . ?s pq:P2076 ?x filter(contains(?x , '68.0')) }