Question: when is the next lts release of ubuntu
[{'answer': '26 April 2018', 'provenance': [{'wikipedia_id': '19264489', 'title': 'Ubuntu version history', 'start_paragraph_id': 157, 'start_character': 83, 'end_paragraph_id': 157, 'end_character': 96, 'bleu_score': 1.0, 'section': 'Section::::Release history.:Ubuntu 18.04 LTS (Bionic Beaver).\n'}]}, {'provenance': [{'wikipedia_id': '19264489', 'title': 'Ubuntu version history', 'start_paragraph_id': 157, 'start_character': 0, 'end_paragraph_id': 157, 'end_character': 100, 'bleu_score': 0.567916110435799, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11197489719948066873}, 'section': 'Section::::Release history.:Ubuntu 18.04 LTS (Bionic Beaver).\n'}]}]