Question: how many champions league trophies does arsenal have
[{'answer': '13', 'provenance': [{'wikipedia_id': '2174', 'title': 'Arsenal F.C.', 'start_paragraph_id': 1, 'start_character': 178, 'end_paragraph_id': 1, 'end_character': 180, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2174', 'title': 'Arsenal F.C.', 'start_paragraph_id': 88, 'start_character': 0, 'end_paragraph_id': 88, 'end_character': 288, 'bleu_score': 0.678224319681581, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14463908593783586746}, 'section': 'Section::::Statistics and records.\n'}]}, {'provenance': [{'wikipedia_id': '2174', 'title': 'Arsenal F.C.', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14463908593783586746}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2174', 'title': 'Arsenal F.C.', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 336, 'bleu_score': 0.515716288135031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14463908593783586746}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2174', 'title': 'Arsenal F.C.', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['13', "The Club has won 13 League titles, a record 13 FA Cups, 2 League Cups, 15 FA Community Shields, 1 League Centenary Trophy, 1 UEFA Cup Winners' Cup and 1 Inter-Cities Fairs Cup.", "Arsenal Football Club is a professional football club based in Islington, London, England, that plays in the Premier League, the top flight of English football. The Club has won 13 League titles, a record 13 FA Cups, 2 League Cups, 15 FA Community Shields, 1 League Centenary Trophy, 1 UEFA Cup Winners' Cup and 1 Inter-Cities Fairs Cup."]}}]}, {'provenance': [{'wikipedia_id': '2340984', 'title': 'List of Arsenal F.C. records and statistics', 'section': 'Section::::Abstract.', 'start_paragraph_id': 3, 'end_paragraph_id': 3, 'meta': {'evidence_span': ['13', 'Arsenal have won 13 top-flight titles, and hold the record for the most FA Cup wins, also with 13.', "are also included. Arsenal have won 13 top-flight titles, and hold the record for the most FA Cup wins, also with 13. The club's record appearance maker is David O'Leary, who made 722 appearances between 1975 and 1993. Thierry Henry is Arsenal's record goalscorer, scoring 228 goals in total. All figures are correct as of the match played on 26 December 2018. Arsenal's first ever silverware was won as the Royal Arsenal in 1890. The Kent Junior Cup, won by Royal Arsenal's reserves"]}}]}]