Question: who built the london bridge in lake havasu
[{'answer': 'John Rennie', 'provenance': [{'wikipedia_id': '2023355', 'title': 'London Bridge (Lake Havasu City)', 'start_paragraph_id': 3, 'start_character': 56, 'end_paragraph_id': 3, 'end_character': 67, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'answer': 'John Rennie the Younger', 'provenance': [{'wikipedia_id': '2023355', 'title': 'London Bridge (Lake Havasu City)', 'start_paragraph_id': 3, 'start_character': 98, 'end_paragraph_id': 3, 'end_character': 121, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '2023355', 'title': 'London Bridge (Lake Havasu City)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 250, 'bleu_score': 0.957870874785216, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2808360208464104320}, 'section': 'Section::::History.\n'}]}]