Question: what conference held in 1938 sought to prevent war between germany and the western democracies
[{'answer': 'the Munich conference', 'provenance': [{'wikipedia_id': '159203', 'title': 'Munich Agreement', 'start_paragraph_id': 39, 'start_character': 201, 'end_paragraph_id': 39, 'end_character': 222, 'bleu_score': 1.0, 'section': 'Section::::Reactions.\n'}]}, {'provenance': [{'wikipedia_id': '159203', 'title': 'Munich Agreement', 'start_paragraph_id': 40, 'start_character': 0, 'end_paragraph_id': 40, 'end_character': 793, 'bleu_score': 0.9659246927162931, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 765450536909090619}, 'section': 'Section::::Reactions.\n'}]}]