Mention the qualifying degree and the major specialization course in which Jeff Bezos graduated from the Princeton University
SELECT ?value1 ?value2 WHERE { wd:Q312556 p:P69 ?s . ?s ps:P69 wd:Q21578 . ?s pq:P812 ?value1 . ?s pq:P512 ?value2 }
jeff bezos: Q312556 princeton university: Q21578