Question: when does marvel's agents of shield return season 5
[{'answer': 'December 1 , 2017', 'provenance': [{'wikipedia_id': '54022831', 'title': 'Agents of S.H.I.E.L.D. (season 5)', 'start_paragraph_id': 70, 'start_character': 55, 'end_paragraph_id': 70, 'end_character': 72, 'bleu_score': 1.0, 'section': 'Section::::Release.:Broadcast.\n'}]}]