Question: Trump Style, launched in February of what year, was available for free to VIP guests at Trump's hotel-casino properties, and was also available to residents of Trump's condominium buildings and members of Mar-a-Lago, a  resort and National Historic Landmark in Palm Beach, Florida, built from 1924 to 1927 by cereal-company heiress and socialite Marjorie Merriweather Post?

Context paragraphs:
Mar-a-Lago: Mar-a-Lago ( ) is a resort and National Historic Landmark in Palm Beach, Florida, built from 1924 to 1927 by cereal-company heiress and socialite Marjorie Merriweather Post.  The 126-room, 62,500-square-foot house contains the Mar-a-Lago Club, a members-only club with guest rooms, a spa, and other hotel-style amenities.  It is located

Camp Topridge: Camp Topridge is an Adirondack Great Camp bought in 1920 and substantially expanded and renovated in 1923 by Marjorie Merriweather Post, founder of General Foods and the daughter of C. W. Post.  The "camp", near Keese Mill, in the U.S. state of New York, was considered by Post to be a "rustic retreat"; it consisted of 68 buildings, including a fully staffed main lodge and private guest cabins, each staffed with its own butler.  It was one of the largest of the Adirondack great camps and possibly the most elaborately furnished.

Palm Beach Hotel (Palm Beach, Florida): The Palm Beach Hotel, built in 1925 to replace an earlier building of the same name, is an historic four-story hotel located at 235-251 Sunrise Avenue in Palm Beach, Florida.  Designed by architect Mortimer Dickerson Metcalfe in the Mediterranean Revival style, it was built by Thomas R. Clarke.  In 1969 it became vacant and, except for several attempts to reopen it as a retirement hotel, it remained so until 1981 when it was converted into a condominium, the Palm Beach Hotel Condominium.

Upper St. Regis Lake: 742 acre Upper St. Regis Lake is a part of the St. Regis River in the Adirondacks in northern New York State.  Along with Lower St. Regis Lake and Spitfire Lake, it became famous in the late 19th century as a summer playground of America's power elite, drawn to the area by its scenic beauty and by the rustic charms of Paul Smith's Hotel.  It is the site of many grand old summer "cottages" and Great Camps, including Marjorie Merriweather Post's Topridge.  Frederick W. Vanderbilt, Anson Phelps Stokes and Whitelaw Reid were among the summer residents.  "The camps of many of these families began as tent colonies, with separate units for sleeping, dining, games, and so on, and evolved into permanent structures built with understated taste."

Trump magazines: Several magazines named after Donald Trump were published between 1997 and 2009.  Trump Style, launched in February 1997, was available for free to VIP guests at Trump's hotel-casino properties, and was also available to residents of Trump's condominium buildings and members of his Mar-a-Lago club.

Hillwood Estate, Museum &amp; Gardens: Hillwood Estate, Museum & Gardens is a decorative arts museum in Washington, D.C., United States.  The former residence of businesswoman, socialite, philanthropist and collector Marjorie Merriweather Post, Hillwood is known for its large decorative arts collection that focuses heavily on the House of Romanov, including Fabergé eggs.  Other highlights are 18th and 19th century French art and one of the country's finest orchid collections.

Marjorie Merriweather Post: Marjorie Merriweather Post (March 15, 1887 – September 12, 1973) was a leading American socialite and the owner of General Foods, Inc.  She used much of her fortune to collect art, particularly pre-revolutionary Russian art, much of which is now on display at Hillwood, the museum that was her estate.  She is also known for building Mar-a-Lago, an estate now owned by Donald Trump.

Palm Tran: Palm Tran is the public transit bus system run by the Palm Beach County Government, serving Palm Beach County, Florida.  During fiscal year 2015, Palm Tran provided 10,773,132 one-way passenger trips and 889,056 paratransit trips to Palm Beach County.  Palm Tran also serves a portion of Broward County, Florida where it overlaps with Broward County Transit.  Palm Tran has four main facilities (North Campus in West Palm Beach, South Campus in Delray Beach, Palm Tran Connection/Military Trail and the Belle Glade Facility) with its main headquarters in West Palm Beach on Electronics Way.  The current Executive Director is Clinton B. Forbes.

Palm Beach Daily News: The Palm Beach Daily News is a daily newspaper in Florida, serving the town of Palm Beach in Palm Beach County in South Florida.  It is also known as "The Shiny Sheet" because of its heavy, slick newsprint stock.  It was founded in 1897 as the "Lake Worth Daily News", and it covers the social affairs of the wealthy residents on the island of Palm Beach itself.  Owned by Cox Newspapers, it is a sister publication of "The Palm Beach Post".

The Causeway (Washington, D.C.): The Causeway, also known as the Tregaron, is a country house estate located in the Cleveland Park neighborhood of Northwest, Washington, D.C..  The estate was designed by Charles A. Platt and constructed in 1912.  The original occupants, the Parmelees, lived at the estate from its construction until 1940.  From 1940 to 1958 it was occupied by Joseph E. Davies, who had served as the ambassador for the United States to Luxembourg, Belgium, and the Soviet Union and his second wife Post Cereal Company heiress Marjorie Merriweather Post.  Today the estate is occupied by a campus for the Washington International School and the Tregaron Conservancy.

Supporting paragraphs: Trump magazines Mar-a-Lago
Answer: 1997