Question: when was the first wimbledon tennis tournament held
[{'answer': '1877', 'provenance': [{'wikipedia_id': '10612527', 'title': '1877 Wimbledon Championship', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 4, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '10612527', 'title': '1877 Wimbledon Championship', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 734, 'bleu_score': 0.9845548242372031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8555426445211728206}, 'section': 'Section::::Abstract.'}]}]