Question: What company has Hannes Mór Smárason worked for that is headquartered at Keflavík International Airport ? 
Sentence (from "Icelandair"): It is part of the Icelandair Group and, in the middle of 2015, operated scheduled services to 39 cities in 16 countries on both sides of the Atlantic Ocean out of its hub at Keflavík International Airport.
Relevant evidence: No