Question: what kind of economic system did west germany have
[{'answer': 'social market economy', 'provenance': [{'wikipedia_id': '4337123', 'title': 'Economic history of Germany', 'start_paragraph_id': 75, 'start_character': 68, 'end_paragraph_id': 75, 'end_character': 89, 'bleu_score': 1.0, 'section': 'Section::::Social market economy.\n'}]}, {'provenance': [{'wikipedia_id': '4337123', 'title': 'Economic history of Germany', 'start_paragraph_id': 75, 'start_character': 4, 'end_paragraph_id': 75, 'end_character': 934, 'bleu_score': 0.754711440192473, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4866064210911285048}, 'section': 'Section::::Social market economy.\n'}]}]