Question: what was the first national lampoon vacation movie
[{'answer': "National Lampoon 's Vacation", 'provenance': [{'wikipedia_id': '18594320', 'title': "National Lampoon's Vacation (film series)", 'start_paragraph_id': 57, 'start_character': 49, 'end_paragraph_id': 57, 'end_character': 77, 'bleu_score': 1.0, 'section': 'Section::::Reception.:Legacy.\n'}]}, {'provenance': [{'wikipedia_id': '18594320', 'title': "National Lampoon's Vacation (film series)", 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 371, 'bleu_score': 0.9669306597086381, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6120582372916525207}, 'section': 'Section::::History.:Development.\n'}]}]