Question: What is the solvent with the most Mohs' hardness whose has quality is odorless?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q146505 . ?ent wdt:P1088 ?obj . ?ent wdt:P1552 wd:Q30007162 } ORDER BY DESC(?obj)LIMIT 5