Question: Who is the federal leader of the party that Pierre-Hugues Boisvenu is a member of?

Knowledge 1: Pierre-Hugues Boisvenu
Pierre-Hugues Boisvenu (born February 12, 1949) is a Canadian politician and victim's rights activist, who was appointed to the Senate of Canada on January 29, 2010 on the advice of Prime Minister Stephen Harper, representing the province of Quebec under the banner of the Conservative Party of Canada. [SEP] Knowledge 2: 2017 Conservative Party of Canada leadership election
The 2017 Conservative Party of Canada leadership election was held on May 27, 2017. Party members chose Andrew Scheer as leader, replacing Stephen Harper, who led the Conservative Party of Canada as its leader from 2004 following the merger of the Canadian Alliance and Progressive Conservative parties. Harper led the party through five federal elections: the party increased its seat count in the House of Commons in 2004, formed two minority governments in 2006, and 2008, and then a majority government in 2011. Following the defeat of the party in the 2015 federal election on October 19, Harper tendered his resignation as party leader. In a statement, Conservative Party President Harry Walsh said he had spoken to Harper, ``and he has instructed me to reach out to the newly elected parliamentary caucus to appoint an Interim Leader and to implement the leadership selection process. ''
Knowledge 1: Pierre-Hugues Boisvenu
Pierre-Hugues Boisvenu (born February 12, 1949) is a Canadian politician and victim's rights activist, who was appointed to the Senate of Canada on January 29, 2010 on the advice of Prime Minister Stephen Harper, representing the province of Quebec under the banner of the Conservative Party of Canada. [SEP] Knowledge 2: Patrick Brown (politician)
Patrick Brown MPP Leader of the Opposition in Ontario Incumbent Assumed office September 14, 2015 Preceded by Jim Wilson Leader of the Ontario PC Party Incumbent Assumed office May 9, 2015 Preceded by Jim Wilson (interim) Member of the Ontario Provincial Parliament for Simcoe North Incumbent Assumed office September 3, 2015 Preceded by Garfield Dunlop Member of the Canadian Parliament for Barrie In office January 23, 2006 -- May 13, 2015 Preceded by Aileen Carroll Succeeded by Riding Abolished Personal details Patrick Walter Brown (1978 - 05 - 26) May 26, 1978 (age 39) Toronto, Ontario Political party Progressive Conservative Party of Ontario Other political affiliations Conservative Party of Canada Relations Joe Tascona (uncle) Residence Barrie, Ontario Education St. Michael's College School Alma mater University of Windsor (LL. B.) University of Toronto (B.A.) Profession Lawyer
Knowledge 1: Pierre-Hugues Boisvenu
Pierre-Hugues Boisvenu (born February 12, 1949) is a Canadian politician and victim's rights activist, who was appointed to the Senate of Canada on January 29, 2010 on the advice of Prime Minister Stephen Harper, representing the province of Quebec under the banner of the Conservative Party of Canada. [SEP] Knowledge 2: Bloc Québécois
The Bloc Québécois (BQ) (French pronunciation: ​ (blɔk kebekwa)) is a federal political party in Canada devoted to Quebec nationalism and the promotion of Quebec sovereignty. The Bloc was formed by Members of Parliament who defected from the federal Progressive Conservative Party and Liberal Party during the collapse of the Meech Lake Accord. Founder Lucien Bouchard was a cabinet minister in the federal Progressive Conservative government of Brian Mulroney.

Answer: Andrew Scheer