Question: how many tons of gold does the uk have
[{'answer': '310.29 metric tonnes', 'provenance': [{'wikipedia_id': '54084731', 'title': 'Gold reserves of the United Kingdom', 'start_paragraph_id': 1, 'start_character': 275, 'end_paragraph_id': 1, 'end_character': 295, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '54084731', 'title': 'Gold reserves of the United Kingdom', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 308, 'bleu_score': 0.741872408300942, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6441295868363441395}, 'section': 'Section::::Abstract.'}]}]