Question: who appoints the chair of the federal reserve system
[{'answer': 'President of the United States', 'provenance': [{'wikipedia_id': '392350', 'title': 'Chair of the Federal Reserve', 'start_paragraph_id': 2, 'start_character': 30, 'end_paragraph_id': 2, 'end_character': 60, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'the President of the United States'}, {'provenance': [{'wikipedia_id': '392350', 'title': 'Chair of the Federal Reserve', 'start_paragraph_id': 2, 'start_character': 26, 'end_paragraph_id': 2, 'end_character': 386, 'bleu_score': 0.50811852043629, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6085641283614523606}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '10819', 'title': 'Federal Reserve', 'section': 'Section::::Structure.:Board of governors.\n', 'start_paragraph_id': 54, 'end_paragraph_id': 54, 'meta': {'evidence_span': ['Governors are appointed by the President of the United States and confirmed by the Senate for staggered 14-year terms. One term begins every two years, on February 1 of even-numbered years, and members serving a full term cannot be renominated for a second term.', 'District Reserve Banks and setting national monetary policy. It also supervises and regulates the U.S. banking system in general. Governors are appointed by the President of the United States and confirmed by the Senate for staggere', 'District Reserve Banks and setting national monetary policy. It also supervises and regulates the U.S. banking system in general. Governors are appointed by the President of the United States and confirmed by the Senate for staggered 14-year terms. One term begins every two years, on February 1 of even-numbered years, and members serving a full term cannot be renominated for a second term. "[U]pon the expiration of their terms of office, members of the Board shall continue to serve until their successors are appointed and have qualified." The law provides for the removal of a member of the board by the president "for cause". The board is required to make an annual report of operations to the Speaker of the U.S. House of Representatives.']}}]}, {'provenance': [{'wikipedia_id': '392350', 'title': 'Chair of the Federal Reserve', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'end_paragraph_id': 2, 'meta': {'evidence_span': ['The chair is nominated by the President of the United States from among the members of the Board of Governors, and serves a term of four years after being confirmed by the United States Senate', 'The chair is nominated by the President of the United States from among the members of the Board of Governors, and serves a term of four years after being confirmed by the United States Senate. A chair may serve multiple consecutive te', 'The chair is nominated by the President of the United States from among the members of the Board of Governors, and serves a term of four years after being confirmed by the United States Senate. A chair may serve multiple consecutive terms, pending a new nomination and confirmation at the end of each. William Martin was the longest serving chair, holding the position from 1951 to 1970.']}}]}, {'provenance': [{'wikipedia_id': '1291858', 'title': 'Criticism of the Federal Reserve', 'section': 'Section::::Private ownership or control.\n', 'start_paragraph_id': 34, 'end_paragraph_id': 34, 'meta': {'evidence_span': ['eserve Board of Governors, whose members are appointed by the President of the United States. Member banks ("[a]bout 38 percent of the nation\'s more than 8,000 banks") are required to own capital stock in their regional banks, and the regional banks pay a set 6% dividend on the member banks\'', 'Reserve Board of Governors, whose members are appointed by the President of the United States. Member banks ("[a]bout 38 percent of the nation\'s more than 8,000 banks") are required to own capital stock in their regional banks, and the regional banks pay a set 6% dividend on the member banks\' paid-in capital stock (not the regional banks\' profits) each year, returning the rest to the US Treasury Department. The Fed has noted that this has created "some confusion about \'ownership\'":']}}]}]