Question: when did the old version of fortnite come out
[{'answer': '2017', 'provenance': [{'wikipedia_id': '57813623', 'title': 'Fortnite', 'start_paragraph_id': 1, 'start_character': 73, 'end_paragraph_id': 1, 'end_character': 77, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]