Question: What year did the actress and dancer noted as an iconic symbol of the flapper star in a Mal St. Clair film?

Context paragraphs:
Lake St. Clair Metropark: Lake St. Clair Metropark/Metro Beach Metropark is a 770-acre unit of the Huron-Clinton Metroparks system located roughly 20 miles (32 km) northeast of downtown Detroit, Michigan in Harrison Township, Macomb County.  Lake St. Clair Metropark has been in existence since 1950 and has seen many changes since then.  Originally named St. Clair Metropolitan Beach, it was renamed in 1953 to Metropolitan Beach Metropark and later shortened to Metro Beach Metropark.  On December 8, 2011, the Board of Commissioners for the Huron-Clinton Metroparks approved changing the name to Lake St. Clair Metropark.  The park is located at Jefferson Avenue and Metropolitan Parkway (16 Mile Road) and there are signs to Lake St. Clair Metropark on Interstate 94 (I-94).

Find Your Man: Find Your Man is a 1924 American silent action drama film starring Rin Tin Tin and June Marlowe.  It was directed by Mal St. Clair who persuaded Warner Bros. to hire his friend, Darryl F. Zanuck, to write the screenplay; this began a long association between Zanuck and Rin Tin Tin.  Filming took place in Klamath Falls, Oregon.  This film survives.  It was transferred onto 16mm film by Associated Artists Productions in the 1950s and shown on television.

On Thin Ice (1925 film): On Thin Ice is a lost 1925 silent film crime drama directed by Mal St. Clair and starring Tom Moore, Edith Roberts and William Russell.  It was produced and distributed by the Warner Brothers.

The Grand Duchess and the Waiter: The Grand Duchess and the Waiter is a 1926 silent romantic comedy directed by Mal St. Clair and starring Florence Vidor and Adolphe Menjou.  The film is based on a 1925 Broadway play of the same name starring stage actress Elsie Ferguson, who had recently returned to Broadway after years in the film colony.  A print of this film is preserved at the Library of Congress.

Gentlemen Prefer Blondes (1928 film): Gentlemen Prefer Blondes is a 1928 silent film directed by Mal St. Clair, co-written by Anita Loos based on her novel, and released by Paramount Pictures.  No copies are known to exist, and it is now considered to be a lost film.  The Broadway version "Gentlemen Prefer Blondes" starring Carol Channing as Lorelei Lee was mounted in 1949.  It was made into the film "Gentlemen Prefer Blondes" with Jane Russell as Dorothy Shaw and Marilyn Monroe as Lorelei Lee in 1953.

The Show-Off (1926 film): The Show-Off is a 1926 American silent film comedy produced by Famous Players-Lasky and distributed by Paramount Pictures, directed by Mal St. Clair, and starring Ford Sterling, Lois Wilson and Louise Brooks.  The film is based on a 1924 Broadway play by George Kelly that starred Louis John Bartels in the leading role, and had Lee Tracy in the cast.

A Woman of the World: A Woman of the World (1925) is a silent drama comedy film starring Pola Negri, directed by Mal St. Clair, produced by Famous Players-Lasky, and distributed by Paramount Pictures.

Louise Brooks: Mary Louise Brooks (November 14, 1906 – August 8, 1985), who worked professionally as Louise Brooks, was an American film actress and dancer noted as an iconic symbol of the flapper, and for popularizing the bobbed haircut.

Belle River Power Plant: Belle River Power Plant is a major coal- and natural gas-fired power plant owned by Detroit Edison, a subsidiary of DTE Energy.  It is located in St. Clair County, Michigan, on the peninsula formed by the St. Clair and Belle rivers.  The plant was built across M-29 from the St. Clair Power Plant in East China, Michigan, and shares the coal delivery terminal with it.  The Belle River plant shares cooling water from the St. Clair River with its sister plant.  Five oil-fueled internal combustion generators (named IC1, IC2, 3, 4, and 5) were built in 1981, with the total output 13.75 megawatt.  Coal-fired unit 1 of the Belle River plant was completed in 1984, followed by a similar unit 2 in 1985.  Each unit has a nameplate capacity of 697.5 MWe, however the coal-fired plant as a whole generates 1260 MWe all year around.  In 1999, three peaker natural-gas fired turbines (named 12-1, 12-2, and 13-1) were added, with the total name-plate capacity of 256 MWe.

St. Clair Power Plant: The Saint Clair Power Plant is a major coal- and oil-fired power plant owned by Detroit Edison, a subsidiary of DTE Energy.  It is located in St. Clair County, Michigan, on the west bank of St. Clair River.  The plant is across M-29 from the newer Belle River Power Plant in East China, Michigan.  The first four units of St. Clair were built in 1953–1954.  Since then, three more generating units have been added to the plant.  The St. Clair Power Plant generates 1982 megawatts in total.  It is Detroit Edison's second largest power producer.  The power plant has a large impact on the local economy, employing about 300 workers.

Supporting paragraphs: The Show-Off (1926 film) Louise Brooks
Answer: 1926