Question: where do the stones for curling come from
[{'answer': 'Trefor Granite Quarry in Wales', 'provenance': [{'wikipedia_id': '6644', 'title': 'Curling', 'start_paragraph_id': 27, 'start_character': 118, 'end_paragraph_id': 27, 'end_character': 148, 'bleu_score': 1.0, 'section': 'Section::::Equipment.:Curling stone.\n'}]}, {'answer': 'Ailsa Craig , an island off the Ayrshire coast of Scotland'}, {'provenance': [{'wikipedia_id': '6644', 'title': 'Curling', 'start_paragraph_id': 27, 'start_character': 0, 'end_paragraph_id': 27, 'end_character': 148, 'bleu_score': 0.9243880458347601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14114257030002000502}, 'section': 'Section::::Equipment.:Curling stone.\n'}]}]