Question: when was gold discovered in the klondike region of the yukon
[{'answer': 'August 16 , 1896', 'provenance': [{'wikipedia_id': '192748', 'title': 'Klondike Gold Rush', 'start_paragraph_id': 15, 'start_character': 3, 'end_paragraph_id': 15, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Discovery (1896).\n'}]}, {'provenance': [{'wikipedia_id': '192748', 'title': 'Klondike Gold Rush', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 453, 'bleu_score': 0.912513169651268, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15819833196901330696}, 'section': 'Section::::Abstract.'}]}]