Question: who is the first most followed person on instagram 2018
[{'answer': 'Cristiano Ronaldo', 'provenance': [{'wikipedia_id': '52088909', 'title': 'List of most-followed Instagram accounts', 'start_paragraph_id': 1, 'start_character': 222, 'end_paragraph_id': 1, 'end_character': 239, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '52088909', 'title': 'List of most-followed Instagram accounts', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 370, 'bleu_score': 0.7070172221105511, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10329532089124853119}, 'section': 'Section::::Abstract.'}]}]