Question: Which president, who was a businessman, has Doug Overbey as a nominee?

Context paragraphs:
Donald Trump: Donald John Trump (born June 14, 1946) is the 45th and current President of the United States, in office since January 20, 2017.  Before entering politics, he was a businessman and television personality.

Doug Overbey: Doug Overbey (born December 11, 1954) is an American lawyer and politician.  Currently representing District 2 in the Tennessee Senate as a Republican, he is President Donald Trump's nominee to become United States Attorney for the United States District Court for the Eastern District of Tennessee.  Overbey is chairman of the Senate Ethics Committee and vice-chairman of the Senate Judiciary Committee and the Senate Finance Committee.  He is a senior partner and co-founder of the Robertson Overbey law firm and has served as an adjunct faculty member at the University of Tennessee College of Law.  Prior to becoming a state senator, Overbey served in the Tennessee House of Representatives from 2000 to 2008.

Doug DeVos: Doug DeVos (born october 6, 1964 in Grand Rapids, Michigan) is an American businessman.  As President of Amway since 2002, Doug DeVos oversees daily operations of the company with Chairman Steve Van Andel.  Together, they form the Office of the Chief Executive.  DeVos is the youngest son of Helen June (Van Wesep) and Amway co-founder Rich DeVos, who, with Steve’s father Jay Van Andel, started Amway in Ada, Michigan, in 1959.

Presidency of Donald Trump: The presidency of Donald Trump began at noon EST on January 20, 2017, when Donald Trump was inaugurated as the 45th President of the United States, succeeding Barack Obama.  Trump, the Republican nominee, was a businessman and reality television personality from New York City at the time of his victory in the 2016 presidential election over the Democratic nominee Hillary Clinton.  His running mate, former Governor Mike Pence of Indiana, took office as the 48th Vice President of the United States on the same day.  Trump's term in office is set to end on January 20, 2021, though he is eligible for election to a second term and has declared his intention to run.

United States presidential election, 1996: The United States presidential election of 1996 was the 53rd quadrennial presidential election.  It was held on Tuesday, November 5, 1996.  The Democratic national ticket was led by incumbent President Bill Clinton, and his running mate, incumbent Vice President Al Gore.  The Republican nominee for President was Bob Dole, the former Republican Leader of the United States Senate and long-time Senator from Kansas who was previously the vice-presidential running mate of President Gerald Ford in 1976, following Vice President Nelson Rockefeller's retirement from politics that year.  Dole's running mate for Vice President was Jack Kemp, a former NFL football player and the Housing Secretary under George H. W. Bush.  Businessman Ross Perot ran as candidate for the Reform Party with economist Pat Choate as his running mate; he received less media attention and was excluded from the presidential debates and, while still obtaining substantial results for a third-party candidate, by U.S. standards, did not renew his success of the 1992 election.  Turnout was registered at 49.0%, the lowest for a presidential election since 1924.

Thomas E. Dewey: Thomas Edmund Dewey (March 24, 1902 – March 16, 1971) was an American lawyer, prosecutor, and politician.  He served as the 47th Governor of New York from 1943 to 1954.  In 1944, he was the Republican Party's nominee for President.  He lost the 1944 election to President Franklin D. Roosevelt in the closest of Roosevelt's four presidential elections.  He was again the Republican presidential nominee in 1948, but lost to President Harry S. Truman in one of the greatest upsets in presidential election history.  Dewey played a large role in winning the Republican presidential nomination for Dwight D. Eisenhower in 1952, and helped Eisenhower win the presidential election that year.  He also played a large part in the choice of Richard M. Nixon as the Republican vice-presidential nominee in 1952 and 1956.

Democratic Party presidential primaries, 2016: The 2016 Democratic Party presidential primaries and caucuses were a series of electoral contests organized by the Democratic Party to select the 4,051 delegates to the Democratic National Convention held July 25–28 and determine the nominee for President of the United States in the 2016 U.S. presidential election.  The elections took place within all fifty U.S. states, the District of Columbia, and five U.S. territories and occurred between February 1 and June 14, 2016.  An extra 716 unpledged delegates (712 votes) or "superdelegates", including party leaders and elected officials, were appointed by the party leadership independently of the primaries' electoral process.  The convention also approved the party's platform and vice-presidential nominee.  The Democratic nominee challenged other presidential candidates in national elections to succeed President Barack Obama at noon on January 20, 2017, following his two terms in office.

Doug Ford Jr.: Douglas Bruce Ford Jr. (born November 20, 1964) is a Canadian businessman and politician in Toronto, Ontario.  Ford was Toronto City Councillor for Ward 2 Etobicoke North in Toronto from 2010 to 2014 at the same time that his brother, Rob Ford (1969–2016), was mayor of Toronto.  Their father, Doug Ford Sr., was a Member of Provincial Parliament from 1995 to 1999 and founded Deco Labels and Tags, a printing business operating in Canada and the United States.  The business is now owned by Doug Ford Jr., who has served as company president since 2002, and his brother, Randy.

Doug Manchester: Douglas Frederick "Doug" Manchester (born June 3, 1942) is an American businessman and philanthropist.  He is the former chairman of Manchester Financial Group, past chairman and publisher of "The San Diego Union-Tribune", and nominee to become United States Ambassador to the Bahamas.  Manchester, who prefers to be called "Papa Doug", has built some of the tallest hotels and office buildings in San Diego, including the San Diego Marriott Marquis & Marina and the Manchester Grand Hyatt, and is credited as a driving force behind the development of the San Diego Convention Center.  Manchester also built the triple 5-star Grand Del Mar Resort & Spa, which sold to Fairmont Hotels & Resorts in 2015, and he maintains a minority ownership.  In addition, Manchester built the Torrey Executive Centre, Manchester Financial Building, Whitetail Lodge and Golf Club, and is currently building the Fairmont Austin hotel in Austin, Texas.

Douglas Forrester: Douglas "Doug" Forrester (born January 24, 1953 in Glendale, California) is an American businessman from New Jersey.  He was the 2002 Republican nominee for New Jersey U.S. Senator and the 2005 Republican nominee for Governor of New Jersey.  Forrester was defeated by his two Democratic opponents, Frank Lautenberg and then-U.S. Senator Jon Corzine, respectively.  Forrester currently serves as the president of Integrity Health, a health benefits management firm.

Supporting paragraphs: Doug Overbey Donald Trump
Answer: Donald Trump