Question: where was the us open tennis held before flushing meadows
[{'answer': 'West Side Tennis Club', 'provenance': [{'wikipedia_id': '82729', 'title': 'US Open (tennis)', 'start_paragraph_id': 8, 'start_character': 262, 'end_paragraph_id': 8, 'end_character': 283, 'bleu_score': 1.0, 'section': 'Section::::History.:1881–1914: Newport Casino.\n'}]}, {'provenance': [{'wikipedia_id': '82729', 'title': 'US Open (tennis)', 'start_paragraph_id': 17, 'start_character': 0, 'end_paragraph_id': 17, 'end_character': 455, 'bleu_score': 0.9751504244977051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2415646082362667461}, 'section': 'Section::::History.:Since 1978: USTA National Tennis Center.\n'}]}]