Question: who runs the international davis cup events for men's tennis
[{'answer': 'the International Tennis Federation', 'provenance': [{'wikipedia_id': '227983', 'title': 'Davis Cup', 'start_paragraph_id': 1, 'start_character': 84, 'end_paragraph_id': 1, 'end_character': 119, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '227983', 'title': 'Davis Cup', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 843, 'bleu_score': 0.931143752018418, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 739029538105639701}, 'section': 'Section::::Abstract.'}]}]