Question: when was the land rover discovery first built
[{'answer': '1989', 'provenance': [{'wikipedia_id': '884058', 'title': 'Land Rover Discovery', 'start_paragraph_id': 1, 'start_character': 261, 'end_paragraph_id': 1, 'end_character': 265, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '884058', 'title': 'Land Rover Discovery', 'start_paragraph_id': 1, 'start_character': 94, 'end_paragraph_id': 1, 'end_character': 664, 'bleu_score': 0.7959359617706111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17458087136803980945}, 'section': 'Section::::Abstract.'}]}]