Trump National Golf Club Westchester is a private golf club in Briarcliff Manor, New York.
 Owned by Donald Trump, the 45th President of the United States, the 140 acre course has eighteen holes, with a 75000 sqft clubhouse.
 Founded in 1922 as "Briarcliff Country Club", it later operated as "Briar Hills Country Club" and "Briar Hall Golf and Country Club" before Trump's purchase of the property in 1996.
 Trump renamed the club to match his other golf properties, and after its county, Westchester.
 He had the clubhouse and course rebuilt for its 2002 reopening; the course was designed by Jim Fazio.
 Donald Trump served as president over Trump National Golf Club LLC (managing the Westchester club) from August 2000 until January 19, 2017, the day before his inauguration.
The Reykjavik Golf Club is a golf club located 10 km east of Reykjavik, Iceland.
 The club was established in 1934 and is the oldest and largest golf club in Iceland.
 It has hosted many European and Scandinavian tournaments including major events such as the European Youth and European Seniors Tour Championships.
 It was originally named Golf Club Iceland since it was the only golf club in Iceland at the time.
 However, as other clubs opened such as Akureyri Golf Club in 1935 and Westman Islands Golf Club in 1938, the name was changed to Reykjavik Golf Club.
Deepdale Golf Club is a private golf club in Manhasset, New York, just east of New York City on Long Island.
Michael S. Breed (born May 14, 1962, in Greenwich, Connecticut) is a professional golf instructor and television host.
 In 2003, he was selected as a Top 100 Instructor in America by "Golf Magazine", in 2011, he was voted one of the Top 50 Instructors in America by Golf Digest (now 13th on this list, and #1 in the state of New York.)
, in 2012, Breed was chosen as the PGA's National Teacher of the Year.
 Prior to his time as a television host, Breed was the Head Golf Professional at Sunningdale Country Club for 12 years from 2001–2012, and the Head Golf Professional at Birchwood Country Club, as well as the Assistant Professional at Deepdale Golf Club and Augusta National Golf Club.
 He has served on different boards for the Metropolitan PGA for over 10 years and has represented the PGA of America at the National Golf Day in Washington D.C. since 2012.
 He is involved in charities such as The First Tee, Folds of Honor, Hope for the Warriors, Wounded Warriors Foundation and Salute Military Golf Association.
Sheshan Golf Club () is the first premier private golf club in Shanghai, China.
 Founded in 2004, the 18 hole golf course plays to a par of 72 and is designed by Nelson and Haworth Design, and spans over 7,266 yards (6,531 meters).
 Every year, the club plays host to the WGC-HSBC Champions, and is currently the only club to host the Championship.
 Sheshan Golf Club was awarded the Best Golf Course in China by "Golf Digest" in 2013 and currently tops of the list of Top Clubs in China by "Golf Magazine".
Henry Shapland "Harry" Colt (4 August 1869 – 21 November 1951) was a golf course architect born in Highgate, England.
 He worked predominantly with Charles Alison, John Morrison, and Alister MacKenzie, in 1928 forming Colt, Alison & Morrison Ltd.
 He participated in the design of over 300 golf courses (115 on his own) in North America, South America, Europe, Australia, Asia, and Africa.
 Colt's courses of note in the UK include Sunningdale (New course), Rye, Blackmoor, Brancepeth Castle, Brokenhurst Manor, Camberley Heath, Stoke Park Club, Calcot Park, Goring and Streatley Golf Club, Grimsby Golf Club, Hendon Golf Club, Tyneside and the East & West Courses at Wentworth Club.
 He performed extensive redesigns of Sunningdale (Old course) and of Muirfield and the Royal Liverpool Golf Club, Hoylake, two of the courses on the rota for the Open Championship.
 In Canada, his courses for the Hamilton Golf and Country Club and the Toronto Golf Club are highly respected.
 He also designed in 1914 the first Spanish course bigger than 4.300 yards, the Club de Golf Sant Cugat, promoted by the Barcelona Traction Light and Power Company Ltd.
 While it is often joked that "the sun never sets" on a course designed by architect Robert Trent Jones, this is actually true for the works of Colt and his collaborators.
Trump National Golf Club (Philadelphia) is a private golf club located in Pine Hill, New Jersey featuring a 6969 yd course designed by Tom Fazio.
 Formerly named Pine Hill Golf Club, it was purchased and renamed by the Trump Organization on Christmas Eve, 2009.
 The club sits about a mile and half from Pine Valley Golf Club and Freeway Golf Course.
Scottsdale National Golf Club, formerly "The Golf Club Scottsdale" is a private golf club in Scottsdale, Arizona.
 Located within the McDowell Mountain Range, the course itself is a par 72 on 290 acre .
 The Golf Club Scottsdale is unusual compared to the other courses in Maricopa County, in that it was not built as part of a housing development.
Winged Foot Golf Club is a private club with two 18-hole golf courses located in Mamaroneck, New York.
 The course architect is A. W. Tillinghast, who also designed Baltusrol (Lower), Bethpage Black, Suburban Golf Club, Shackamaxon Country Club, San Francisco Golf Club, Cedar Crest Park, and nearby Quaker Ridge Golf Club, Scarboro Golf and Country Club in Toronto and Wykagyl Country Club.
 Winged Foot Golf Club was founded in 1921, by a consortium consisting mainly of members of The New York Athletic Club.
 The club gets its name and logo from the NYAC's logo, but the two have never had any direct affiliation.
 Opened in June 1923, application for membership to Winged Foot G.C. is by invitation only.
Manhasset is a hamlet and census-designated place (CDP) in Nassau County, New York, on the North Shore of Long Island.
 As of the 2010 United States Census, the population was 8,080.
 As with other unincorporated communities in New York, its local affairs are administered by the town in which it is located, the Town of North Hempstead, New York.

Question: Deepdale Golf Club is a private golf club in what county?
Answer: Nassau County