Question: when did they build the sydney harbour bridge
[{'answer': '1932', 'provenance': [{'wikipedia_id': '28267', 'title': 'Sydney Harbour Bridge', 'start_paragraph_id': 2, 'start_character': 184, 'end_paragraph_id': 2, 'end_character': 188, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '28267', 'title': 'Sydney Harbour Bridge', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 534, 'bleu_score': 0.8774173227223401, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12947592106452338238}, 'section': 'Section::::Abstract.'}]}]