Question: where was the world economic forum held this year
[{'answer': 'Davos', 'provenance': [{'wikipedia_id': '172185', 'title': 'World Economic Forum', 'start_paragraph_id': 2, 'start_character': 57, 'end_paragraph_id': 2, 'end_character': 62, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Davos , a mountain resort in Graubünden , in the eastern Alps region of Switzerland'}, {'provenance': [{'wikipedia_id': '172185', 'title': 'World Economic Forum', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 348, 'bleu_score': 0.9632870032952191, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14014754538899837203}, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '172185', 'title': 'World Economic Forum', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'end_paragraph_id': 2, 'meta': {'evidence_span': ['The WEF hosts an annual meeting at the end of January in Davos, a mountain resort in Graubünden, in the eastern Alps region of Switzerland', 'The WEF hosts an annual meeting at the end of January in Davos, a mountain resort in Graubünden, in the eastern Alps region of Switzerland.', 'The WEF hosts an annual meeting at the end of January in Davos, a mountain resort in Graubünden, in the eastern Alps region of Switzerland.', 'The WEF hosts an annual meeting at the end of January in Davos, a mountain resort in Graubünden, in the eastern Alps region of Switzerland']}}]}, {'provenance': [{'wikipedia_id': '40628105', 'title': 'World Social Forum', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['It tends to meet in January at the same time as its "great capitalist rival", the World Economic Forum\'s Annual Meeting in Davos, Switzerland.', 'It tends to meet in January at the same time as its "great capitalist rival", the World Economic Forum\'s Annual Meeting in Davos, Switzerland.', "the World Economic Forum's Annual Meeting in Davos, Switzerland"]}}]}]