Question: who announced the first monday night football game
[{'answer': 'Howard Cosell', 'provenance': [{'wikipedia_id': '21548663', 'title': 'History of Monday Night Football', 'start_paragraph_id': 12, 'start_character': 104, 'end_paragraph_id': 12, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::1970–1985: Founding era.:Cosell, Jackson, and Meredith.\n'}]}, {'answer': 'Keith Jackson', 'provenance': [{'wikipedia_id': '21548663', 'title': 'History of Monday Night Football', 'start_paragraph_id': 12, 'start_character': 187, 'end_paragraph_id': 12, 'end_character': 200, 'bleu_score': 1.0, 'section': 'Section::::1970–1985: Founding era.:Cosell, Jackson, and Meredith.\n'}]}, {'answer': 'Don Meredith', 'provenance': [{'wikipedia_id': '21548663', 'title': 'History of Monday Night Football', 'start_paragraph_id': 12, 'start_character': 849, 'end_paragraph_id': 12, 'end_character': 861, 'bleu_score': 1.0, 'section': 'Section::::1970–1985: Founding era.:Cosell, Jackson, and Meredith.\n'}]}, {'provenance': [{'wikipedia_id': '21548663', 'title': 'History of Monday Night Football', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 963, 'bleu_score': 0.9873810715615521, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4013788393190100892}, 'section': 'Section::::1970–1985: Founding era.:Cosell, Jackson, and Meredith.\n'}]}]