Question: tinker tailor soldier spy who is the spy
[{'answer': 'Alexei Polyakov', 'provenance': [{'wikipedia_id': '31330546', 'title': 'Tinker Tailor Soldier Spy (film)', 'start_paragraph_id': 6, 'start_character': 815, 'end_paragraph_id': 6, 'end_character': 830, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '31330546', 'title': 'Tinker Tailor Soldier Spy (film)', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 878, 'bleu_score': 0.805153495782116, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14084351925882020850}, 'section': 'Section::::Plot.\n'}]}]