Question: what year did return of the mack come out
[{'answer': 'March 1996', 'provenance': [{'wikipedia_id': '2989766', 'title': 'Return of the Mack', 'start_paragraph_id': 1, 'start_character': 180, 'end_paragraph_id': 1, 'end_character': 190, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '1996', 'provenance': [{'wikipedia_id': '2989766', 'title': 'Return of the Mack', 'start_paragraph_id': 1, 'start_character': 186, 'end_paragraph_id': 1, 'end_character': 190, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '18 March 1996'}, {'provenance': [{'wikipedia_id': '2989766', 'title': 'Return of the Mack', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 419, 'bleu_score': 0.7053717508194051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 443559625754764254}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2989766', 'title': 'Return of the Mack', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Return of the Mack" is a song written and recorded by the British R&B singer Mark Morrison and features backing vocals from Angie Brown . It was released in the United Kingdom in March 1996 and topped the UK Singles Chart a month later', '"Return of the Mack" is a song written and recorded by the British R&B singer Mark Morrison and features backing vocals from Angie Brown . It was released in the United Kingdom in March 1996 and topped the UK Singles Chart a month later. It reached the number-one spot on the UK Singles Chart i', '"Return of the Mack" is a song written and recorded by the British R&B singer Mark Morrison and features backing vocals from Angie Brown . It was released in the United Kingdom in March 1996 and topped the UK Singles Chart a month later. It reached the number-one spot on the UK Singles Chart in April 1996 and number 2 on the US "Billboard" Hot 100 in June 1997 for one week behind "MMMBop" by Hanson and went Platinum.']}}]}]