Question: who presented the first top of the pops
[{'answer': 'Jimmy Savile', 'provenance': [{'wikipedia_id': '21749721', 'title': 'List of Top of the Pops presenters', 'start_paragraph_id': 3, 'start_character': 143, 'end_paragraph_id': 3, 'end_character': 155, 'bleu_score': 1.0, 'section': 'Section::::1960s–1970s.\n'}]}, {'provenance': [{'wikipedia_id': '21749721', 'title': 'List of Top of the Pops presenters', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 442, 'bleu_score': 0.974188104609039, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3200708039574957455}, 'section': 'Section::::1960s–1970s.\n'}]}]