Question: the biggest centre of iron and steel industry in china is
[{'answer': 'Anshan in Liaoning', 'provenance': [{'wikipedia_id': '27866507', 'title': 'Steel industry in China', 'start_paragraph_id': 11, 'start_character': 935, 'end_paragraph_id': 11, 'end_character': 953, 'bleu_score': 1.0, 'section': 'Section::::History.:21st century.\n'}]}, {'provenance': [{'wikipedia_id': '27866507', 'title': 'Steel industry in China', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 953, 'bleu_score': 0.987987443031558, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15736224511148773749}, 'section': 'Section::::History.:21st century.\n'}]}]