Question: when did the glock gen 2 come out
[{'answer': '1988', 'provenance': [{'wikipedia_id': '14664934', 'title': 'Glock', 'start_paragraph_id': 16, 'start_character': 159, 'end_paragraph_id': 16, 'end_character': 163, 'bleu_score': 1.0, 'section': 'Section::::History.:Product evolution.:Second-generation models.\n'}]}, {'provenance': [{'wikipedia_id': '14664934', 'title': 'Glock', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 600, 'bleu_score': 0.854775890889903, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1966202112916929086}, 'section': 'Section::::History.:Product evolution.:Second-generation models.\n'}]}]