Question: when was the first full suspension mountain bike made
[{'answer': 'early 1990s', 'provenance': [{'wikipedia_id': '8876936', 'title': 'Bicycle suspension', 'start_paragraph_id': 28, 'start_character': 89, 'end_paragraph_id': 28, 'end_character': 100, 'bleu_score': 1.0, 'section': 'Section::::Rear suspension.\n'}]}, {'provenance': [{'wikipedia_id': '8876936', 'title': 'Bicycle suspension', 'start_paragraph_id': 28, 'start_character': 0, 'end_paragraph_id': 28, 'end_character': 794, 'bleu_score': 0.9846731957240711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2318252186490904931}, 'section': 'Section::::Rear suspension.\n'}]}]