Question: when was st paul's cathedral melbourne built
[{'answer': '1852', 'provenance': [{'wikipedia_id': '951128', 'title': "St Paul's Cathedral, Melbourne", 'start_paragraph_id': 8, 'start_character': 429, 'end_paragraph_id': 8, 'end_character': 433, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'answer': '1880 - 91'}, {'answer': '1926', 'provenance': [{'wikipedia_id': '951128', 'title': "St Paul's Cathedral, Melbourne", 'start_paragraph_id': 2, 'start_character': 176, 'end_paragraph_id': 2, 'end_character': 180, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]