Question: when does the full fortnite game come out
[{'answer': '2018', 'provenance': [{'wikipedia_id': '57813623', 'title': 'Fortnite', 'start_paragraph_id': 1, 'start_character': 686, 'end_paragraph_id': 1, 'end_character': 690, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]