Database
[{"_id":{"$oid":"607c6b658fedaf104caa78e9"},"awardYear":"1901","category":{"en":"Chemistry","no":"Kjemi","se":"Kemi"},"categoryFullName":{"en":"The Nobel Prize in Chemistry","no":"Nobelprisen i kjemi","se":"Nobelpriset i kemi"},"prizeAmount":150782,"prizeAmountAdjusted":8567159,"links":{"rel":"nobelPrize","href":"http://masterdataapi.nobelprize.org/2/nobelPrize/che/1901","action":"Get","types":"application/json"},"laureates":[{"id":"160","knownName":{"en":"Jacobus H. van 't Hoff"},"portion":"1","sortOrder":"1"}]}]
Query
db.collection.find({"awardYear":"1901"},{_id:0,"laureates":{$arrayElemAt:["$laureates.knownName.en",0]}})