Question: when did they stop making light brown m&m
[{'answer': '1995', 'provenance': [{'wikipedia_id': '485487', 'title': "M&M's", 'start_paragraph_id': 19, 'start_character': 3, 'end_paragraph_id': 19, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::History.:1990s.\n'}]}, {'provenance': [{'wikipedia_id': '485487', 'title': "M&M's", 'start_paragraph_id': 89, 'start_character': 0, 'end_paragraph_id': 89, 'end_character': 831, 'bleu_score': 0.965868176246739, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3805463578784467709}, 'section': "Section::::Color changes in chocolate M&M's.\n"}]}]