Question: At what temperature does methanol have a density of 0.79?
Paraphrase: What is the temperature of methanol at a density of 0.79?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q14982 p:P2054 ?s . ?s ps:P2054 ?x filter(contains(?x , '0.79')) . ?s pq:P2076 ?value}