Question: when does sea of thieves come out for pc
[{'answer': '20 March 2018', 'provenance': [{'wikipedia_id': '46988479', 'title': 'Sea of Thieves', 'start_paragraph_id': 1, 'start_character': 183, 'end_paragraph_id': 1, 'end_character': 196, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]