Question: Name the  psychoactive drug made from Papaver somniferum that starts with letter O
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q3706669 . ?sbj wdt:P1582 wd:Q131584 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'o')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25