Question: who has the highest followers on instagram in the world 2017
[{'answer': "Instagram 's own account", 'provenance': [{'wikipedia_id': '52088909', 'title': 'List of most-followed Instagram accounts', 'start_paragraph_id': 1, 'start_character': 164, 'end_paragraph_id': 1, 'end_character': 188, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]