Question: how many goals have liverpool scored in the league this season
[{'answer': '56', 'provenance': [{'wikipedia_id': '54041666', 'title': '2017–18 Liverpool F.C. season', 'start_paragraph_id': 1, 'start_character': 72, 'end_paragraph_id': 1, 'end_character': 74, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]