Question: where did immigrants come from during the australian gold rush
[{'answer': 'British Isles', 'provenance': [{'wikipedia_id': '30865472', 'title': 'Australian gold rushes', 'start_paragraph_id': 8, 'start_character': 298, 'end_paragraph_id': 8, 'end_character': 311, 'bleu_score': 1.0, 'section': 'Section::::History of discovery.\n'}]}, {'answer': 'European countries', 'provenance': [{'wikipedia_id': '30865472', 'title': 'Australian gold rushes', 'start_paragraph_id': 8, 'start_character': 336, 'end_paragraph_id': 8, 'end_character': 354, 'bleu_score': 1.0, 'section': 'Section::::History of discovery.\n'}]}, {'answer': 'United States', 'provenance': [{'wikipedia_id': '30865472', 'title': 'Australian gold rushes', 'start_paragraph_id': 8, 'start_character': 386, 'end_paragraph_id': 8, 'end_character': 399, 'bleu_score': 1.0, 'section': 'Section::::History of discovery.\n'}]}, {'provenance': [{'wikipedia_id': '30865472', 'title': 'Australian gold rushes', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 473, 'bleu_score': 0.937535115907385, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3258322768543502759}, 'section': 'Section::::History of discovery.\n'}]}]