Question: For which feat of endurance is the Norwegian explorer, photographer, writer and former deep sea diver for the oil industry whose diving was mostly carried out in a marginal sea of the Atlantic Ocean located between Great Britain and Scandinavia and whose name is Børge Ousland, best known?
{'answer': 'journey to the North Pole', 'supporting_facts': [['Børge Ousland', 0], ['Børge Ousland', 1], ['Børge Ousland', 2], ['Børge Ousland', 3], ['North Sea', 0]]}