Question: who sings i can't tell you why by the eagles
[{'answer': 'Schmit', 'provenance': [{'wikipedia_id': '2813962', 'title': "I Can't Tell You Why", 'start_paragraph_id': 1, 'start_character': 166, 'end_paragraph_id': 1, 'end_character': 172, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Frey and Henley singing counterpoint', 'provenance': [{'wikipedia_id': '2813962', 'title': "I Can't Tell You Why", 'start_paragraph_id': 5, 'start_character': 46, 'end_paragraph_id': 5, 'end_character': 82, 'bleu_score': 1.0, 'section': 'Section::::Background.\n'}]}, {'provenance': [{'wikipedia_id': '2813962', 'title': "I Can't Tell You Why", 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 317, 'bleu_score': 0.965203995518735, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13716808980635187287}, 'section': 'Section::::Background.\n'}]}]