Question: when does the soccer world cup 2018 start
[{'answer': '14 June', 'provenance': [{'wikipedia_id': '13327177', 'title': '2018 FIFA World Cup', 'start_paragraph_id': 1, 'start_character': 215, 'end_paragraph_id': 1, 'end_character': 222, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]