Question: Mention the year of establishment and the reason of tenure end of Enoch Powell after holding up place as the Member of the 48th Parliament of the United Kingdom
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q333028 p:P39 ?s . ?s ps:P39 wd:Q41582619 . ?s pq:P2715 ?value1 . ?s pq:P1534 ?value2 }