Question: who is the head of the government in russia
[{'answer': 'Vladimir Putin', 'provenance': [{'wikipedia_id': '19321136', 'title': 'List of heads of government of Russia', 'start_paragraph_id': 3, 'start_character': 809, 'end_paragraph_id': 3, 'end_character': 823, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19321136', 'title': 'List of heads of government of Russia', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 965, 'bleu_score': 0.970791317076327, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9373580227415934051}, 'section': 'Section::::Abstract.'}]}]