Question: who sang the song i had a dream
[{'answer': 'Swedish pop group ABBA', 'provenance': [{'wikipedia_id': '3166356', 'title': 'I Have a Dream (song)', 'start_paragraph_id': 1, 'start_character': 30, 'end_paragraph_id': 1, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3166356', 'title': 'I Have a Dream (song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 428, 'bleu_score': 0.976327165973018, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14144814414553264456}, 'section': 'Section::::Abstract.'}]}]