Question: who has won the most eurovision song contests
[{'answer': "Ireland 's Johnny Logan", 'provenance': [{'wikipedia_id': '2212439', 'title': 'List of Eurovision Song Contest winners', 'start_paragraph_id': 2, 'start_character': 316, 'end_paragraph_id': 2, 'end_character': 339, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2212439', 'title': 'List of Eurovision Song Contest winners', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 966, 'bleu_score': 0.9580210109782, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16052926376170471901}, 'section': 'Section::::Abstract.'}]}]