Question: The winner of the 1986 WCT Scottsdale Open – Singles title was born in what year?

Context paragraphs:
1986 WCT Scottsdale Open: The 1986 WCT Scottsdale Open was a WCT and Nabisco Grand Prix tennis tournament held in Scottsdale, Arizona.  The tournament was held from October 6 to October 13.

1978 Richmond WCT: The 1978 Richmond WCT, also known by its sponsored name United Virginia Bank Classic, was a men's tennis tournament played on indoor carpet courts in Richmond, Virginia, USA.  The event was part WCT Tour which was incorporated into the 1978 Colgate-Palmolive Grand Prix circuit.  It was the eighth edition of the tournament and was held from January 30 through February 5, 1978.  Second-seeded Vitas Gerulaitis won the singles title.

John McEnroe: John Patrick McEnroe Jr. (born February 16, 1959) is a retired American tennis player, often considered among the greatest in the history of the sport.  He was known for his shot-making artistry and volleying skills, as well as his confrontational on-court behavior that frequently landed him in trouble with umpires and tennis authorities.

1981 Monterrey WCT: The 1981 Monterrey WCT was a men's tennis tournament played on indoor carpet courts in Monterrey, Mexico.  The event was part of the WCT Tour which was incorporated into the 1981 Volvo Grand Prix circuit.  It was the third edition of the tournament and was held from January 19 through January 25, 1981.  Johan Kriek won the singles title.

1986 WCT Scottsdale Open – Singles: John McEnroe won the title, defeating Kevin Curren 6–3, 3–6, 6–2 in the final.

1979 Richmond WCT: The 1979 Richmond WCT, also known by its sponsored name United Virginia Bank Classic, was a men's tennis tournament played on indoor carpet courts in Richmond, Virginia, USA.  The event was part WCT Tour which was incorporated into the 1979 Colgate-Palmolive Grand Prix circuit.  It was the ninth edition of the tournament and was held from January 29 through February 4, 1979.  First-seeded Björn Borg won the singles title.

1972 Wimbledon Championships – Men's Singles: Reigning champion John Newcombe was prevented from defending his title and was absent along with other WCT contract players who were banned by the ILTF from entering the event.  Stan Smith defeated Ilie Năstase 4–6, 6–3, 6–3, 4–6, 7–5 in the final to win the Gentlemen's Singles tennis title at the 1972 Wimbledon Championships.  It was Smiths first, and only, Wimbledon singles title, and his second, and final, grand slam singles title.

1981 Richmond WCT: The 1981 Richmond WCT, also known by its sponsored name United Virginia Bank Classic, was a men's tennis tournament played on indoor carpet courts in Richmond, Virginia, United States.  The event was part WCT Tour which was incorporated into the 1981 Volvo Grand Prix circuit.  It was the 11th edition of the tournament and was held from February 2through February 8, 1981.  Eighth-seeded Yannick Noah won the singles title and the $35,000 first-prize money.

1986 WCT Tournament of Champions: The 1986 WCT Tournament of Champions, also known by its sponsored name Shearson Lehman Brothers Tournament of Champions, was a men's tennis tournament played on outdoor clay courts in Forest Hills, Queens, New York City in the United States.  The event was part of the 1986 Grand Prix circuit and was organized by World Championship Tennis (WCT).  It was the tenth edition of the tournament and was held from May 5 through May 11, 1986.  Fourth seeded Yannick Noah won the singles title, his first singles title of the year.

1987 WCT Scottsdale Open: The 1987 WCT Scottsdale Open was a WCT and Nabisco Grand Prix tennis tournament held in Scottsdale, Arizona.  The tournament was held from October 5 to October 12.

Supporting paragraphs: 1986 WCT Scottsdale Open – Singles John McEnroe
Answer: 1959