Question: Tell me the essential medicine for the pregnancy category of the Australian pregnancy category D that contains the word warfarin in it's name?
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q35456 . ?sbj wdt:P3489 wd:Q28123568 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'warfarin')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25