Question: who is the leader of the ontario pc party
[{'answer': 'Patrick Brown', 'provenance': [{'wikipedia_id': '3900265', 'title': 'Patrick Brown (politician)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Patrick Walter Brown'}, {'answer': 'Patrick Walter Brown MPP'}, {}, {'provenance': [{'wikipedia_id': '3900265', 'title': 'Patrick Brown (politician)', 'section': 'Section::::Provincial politics.:Expulsion from PC caucus and brief second run for the leadership.\n', 'start_paragraph_id': 37, 'end_paragraph_id': 37, 'meta': {'evidence_span': ["Brown withdrew his candidacy for leadership of the Progressive Conservative Party of Ontario on February 26, 2018, citing the difficulties of simultaneously running for leader while fighting against allegations against him. His withdrawal came days after the revelation that Integrity Commissioner was investigating Brown for alleged financial improprieties and several hours after a report revealing his apparent interference, while he was leader, in a Tory candidate nomination that is now being investigated by Hamilton police for fraud. Brown's supporters cited harassment against members of his family as one cause of his decision to withdraw. Brown's $100,000 registration fee was not refunded by the party. After the election of Doug Ford as the new leader of the Ontario Progressive Conservative Party, there were rumors that Brown would not be allowed to run under their banner. The Progressive Conservative Party's nomination committee unanimously ruled on March 15, 2018, that Patrick Brown would not be eligible to run as a PC candidate in", 'After the election of Doug Ford as the new leader of the Ontario Progressive Conservative Party']}}]}]