Question: how many entrants are there in the eurovision song contest
[{'answer': 'Forty - three', 'provenance': [{'wikipedia_id': '52859040', 'title': 'Eurovision Song Contest 2018', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '52859040', 'title': 'Eurovision Song Contest 2018', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 220, 'bleu_score': 0.788897164871173, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8635178466221597475}, 'section': 'Section::::Abstract.'}]}]