What is the earliest date of Alexander Pushkin's residency in Ulyanovsk?
SELECT ?value1 ?value2 WHERE { wd:Q7200 p:P551 ?s . ?s ps:P551 wd:Q5627 . ?s pq:P1319 ?value1 . ?s pq:P1706 ?value2 }
alexander pushkin: Q7200 ulyanovsk: Q5627