Question: What is water temperature and pressure when it is at a phase point as a critical point?
Paraphrase: What is water temperature and weight when it is at a stage point as a basic point?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q283 p:P873 ?s . ?s ps:P873 wd:Q111059 . ?s pq:P2076 ?value1 . ?s pq:P2077 ?value2 }