Question: who wrote the song after the love is gone
[{'answer': 'David Foster', 'provenance': [{'wikipedia_id': '4145383', 'title': 'After the Love Has Gone', 'start_paragraph_id': 1, 'start_character': 82, 'end_paragraph_id': 1, 'end_character': 94, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Jay Graydon', 'provenance': [{'wikipedia_id': '4145383', 'title': 'After the Love Has Gone', 'start_paragraph_id': 1, 'start_character': 96, 'end_paragraph_id': 1, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Bill Champlin', 'provenance': [{'wikipedia_id': '4145383', 'title': 'After the Love Has Gone', 'start_paragraph_id': 1, 'start_character': 113, 'end_paragraph_id': 1, 'end_character': 126, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4145383', 'title': 'After the Love Has Gone', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 265, 'bleu_score': 0.9611463610973231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13504737255719979537}, 'section': 'Section::::Abstract.'}]}]