Question: who sang seasons in the sun before westlife
[{'answer': 'Rod McKuen', 'provenance': [{'wikipedia_id': '193557', 'title': 'Seasons in the Sun', 'start_paragraph_id': 1, 'start_character': 169, 'end_paragraph_id': 1, 'end_character': 179, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Terry Jacks', 'provenance': [{'wikipedia_id': '193557', 'title': 'Seasons in the Sun', 'start_paragraph_id': 1, 'start_character': 235, 'end_paragraph_id': 1, 'end_character': 246, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '193557', 'title': 'Seasons in the Sun', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 417, 'bleu_score': 0.952004915197278, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18359939290535620207}, 'section': 'Section::::Abstract.'}]}]