Question: when was the first in car navigation sustem invented
[{'answer': '1981', 'provenance': [{'wikipedia_id': '1445706', 'title': 'Automotive navigation system', 'start_paragraph_id': 12, 'start_character': 12, 'end_paragraph_id': 12, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]