Question: what is a two dimensional representation of the earth
[{'answer': 'A map projection', 'provenance': [{'wikipedia_id': '51784', 'title': 'Map projection', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '51784', 'title': 'Map projection', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 570, 'bleu_score': 0.9788329837059241, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 104119152269021534}, 'section': 'Section::::Abstract.'}]}]