Who is the human biblical figure that is a significant person of Samuel and contains the word saul in it's name?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q20643955 . ?sbj wdt:P3342 wd:Q6577515 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'saul')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
human biblical figure: Q20643955 samuel: Q6577515