Question: how many hungarians were killed in 1956 by soviet forces
[{'answer': 'Over 2,500', 'provenance': [{'wikipedia_id': '351949', 'title': 'Hungarian Revolution of 1956', 'start_paragraph_id': 4, 'start_character': 278, 'end_paragraph_id': 4, 'end_character': 288, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '351949', 'title': 'Hungarian Revolution of 1956', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 754, 'bleu_score': 0.899751983158746, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 25226134661921499}, 'section': 'Section::::Abstract.'}]}]