Question: who sang heard it thru the grapevine first
[{'answer': 'The Miracles', 'provenance': [{'wikipedia_id': '1124294', 'title': 'I Heard It Through the Grapevine', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'the Miracles', 'provenance': [{'wikipedia_id': '1124294', 'title': 'I Heard It Through the Grapevine', 'start_paragraph_id': 9, 'start_character': 133, 'end_paragraph_id': 9, 'end_character': 145, 'bleu_score': 1.0, 'section': 'Section::::Motown recordings.\n'}]}, {'answer': 'Gladys Knight & the Pips', 'provenance': [{'wikipedia_id': '1124294', 'title': 'I Heard It Through the Grapevine', 'start_paragraph_id': 1, 'start_character': 197, 'end_paragraph_id': 1, 'end_character': 221, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1124294', 'title': 'I Heard It Through the Grapevine', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 501, 'bleu_score': 0.9776501033621461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11321221021085674155}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1124294', 'title': 'I Heard It Through the Grapevine', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 825, 'bleu_score': 0.9850176677359421, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11321221021085674155}, 'section': 'Section::::Motown recordings.\n'}]}, {'provenance': [{'wikipedia_id': '1124294', 'title': 'I Heard It Through the Grapevine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 312, 'bleu_score': 0.9645876452711911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11321221021085674155}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1124294', 'title': 'I Heard It Through the Grapevine', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['"I Heard It Through the Grapevine" is a song written by Norman Whitfield and Barrett Strong for Motown Records in 1966. The first recording of the song to be released was produced by Whitfield for Gladys Knight & the Pips and released as a single in September 1967; it went to number two in the "Billboard" chart.', 'The first recording of the song to be released was produced by Whitfield for Gladys Knight & the Pips and released as a single in September 1967; it went to number two in the "Billboard" chart']}}]}]