Question: who is the coach for the ottawa senators
[{'answer': 'Guy Boucher', 'provenance': [{'wikipedia_id': '26993239', 'title': 'Guy Boucher', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '26993239', 'title': 'Guy Boucher', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 380, 'bleu_score': 0.695209901603833, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8105251083057332751}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1793033', 'title': 'List of Ottawa Senators head coaches', 'section': 'Section::::Summary.\n', 'start_paragraph_id': 11, 'end_paragraph_id': 11, 'meta': {'evidence_span': ['Murray in Anaheim. During his term, MacLean was twice nominated for the Jack Adams Trophy for coach of the year, winning it for the 201213 season. MacLean was fired on December 8, 2014, and replaced by his assistant Dave Cameron. After the 201516 season, in which the Senators failed to make the playoffs, Dave Cameron was fired and replaced by Guy Boucher', 'the playoffs, Dave Cameron was fired and replaced by Guy Boucher.', 'After the 201516 season, in which the Senators failed to make the playoffs, Dave Cameron was fired and replaced by Guy Boucher']}}]}, {'provenance': [{'wikipedia_id': '50759543', 'title': '201617 Ottawa Senators season', 'section': 'Section::::Off-season.\n', 'start_paragraph_id': 5, 'end_paragraph_id': 5, 'meta': {'evidence_span': ['On April 10, 2016, the day after the final game of the 201516 season, general manager Bryan Murray announced his resignation as manager and that he would continue in an advisory role with the club. Assistant general manager Pierre Dorion was elevated to the general manager position. On April 12, the Senators fired head coach Dave Cameron. On May 8, the Senators hired former Tampa Bay Lightning head coach Guy Boucher', 'Guy Boucher as their new head coach. On the following day, Marc Crawford was announced as associate coach. On Ju', 'On April 12, the Senators fired head coach Dave Cameron. On May 8, the Senators hired former Tampa Bay Lightning head coach Guy Boucher as their new head coach.']}}]}, {'provenance': [{'wikipedia_id': '50759543', 'title': '201617 Ottawa Senators season', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The 201617 Ottawa Senators season was the 25th season of the Ottawa Senators of the National Hockey League (NHL). After failing to make the 2016 Stanley Cup playoffs, the Senators replaced their management and coaching staff, promoting Pierre Dorion to general manager, and hiring Guy Boucher', 'nators replaced their management and coaching staff, promoting Pierre Dorion to general manager, and hiring Guy Boucher', 'The 201617 Ottawa Senators season was the 25th season of the Ottawa Senators of the National Hockey League (NHL). After failing to make the 2016 Stanley Cup playoffs, the Senators replaced their management and coaching staff, promoting Pierre Dorion to general manager, and hiring Guy Boucher and Marc Crawford and assistants to coach the team.']}}]}]