Question: who won the eurovision song contest in 1977
[{'answer': 'Marie Myriam', 'provenance': [{'wikipedia_id': '193133', 'title': 'Eurovision Song Contest 1977', 'start_paragraph_id': 3, 'start_character': 73, 'end_paragraph_id': 3, 'end_character': 85, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]