Question: who got relegated from the premier league 2018
[{'answer': 'West Bromwich Albion', 'provenance': [{'wikipedia_id': '53818243', 'title': '2018–19 Premier League', 'start_paragraph_id': 1, 'start_character': 514, 'end_paragraph_id': 1, 'end_character': 534, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Swansea City', 'provenance': [{'wikipedia_id': '53818243', 'title': '2018–19 Premier League', 'start_paragraph_id': 1, 'start_character': 536, 'end_paragraph_id': 1, 'end_character': 548, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Stoke City', 'provenance': [{'wikipedia_id': '53818243', 'title': '2018–19 Premier League', 'start_paragraph_id': 1, 'start_character': 553, 'end_paragraph_id': 1, 'end_character': 563, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '53818243', 'title': '2018–19 Premier League', 'start_paragraph_id': 1, 'start_character': 347, 'end_paragraph_id': 1, 'end_character': 614, 'bleu_score': 0.6148753136755001, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14492891945460473283}, 'section': 'Section::::Abstract.'}]}]