Question: In what year was the actor known for being an impressionist born who also was on the ABC comedy hour?

Context paragraphs:
Albert Tsai: Albert Tsai (born August 5, 2004) is an American actor.  He is best known for his roles as Bert Harrison on the ABC comedy series "Trophy Wife" and as Dave Park on "Dr. Ken".  Tsai also has recurring guest appearances as Phillip Goldstein in the ABC comedy series "Fresh Off the Boat".  In 2014, at the age of nine, he earned a Best Supporting Actor nomination from the Critics' Choice Television Awards for his performance on ABC's comedy series "Trophy Wife".

Mason Williams: Mason Douglas Williams (born August 24, 1938) is an American classical guitarist, composer, writer, comedian and poet.  He is best known for his 1968 instrumental "Classical Gas" and for his work as a comedy writer on "Smothers Brothers Comedy Hour", "The Glen Campbell Goodtime Hour", and "Saturday Night Live".

The ABC Comedy Hour: The ABC Comedy Hour was an American television variety series that aired on ABC in 1972.  Seven of the 13 episodes featured a guest host and a team of comedy impressionists known as The Kopykats (Rich Little, Frank Gorshin, Joe Baker, Marilyn Michaels, George Kirby, and Fred Travalena, with single appearances by Charlie Callas, Will Jordan, and Peter Goodwright).  Guest hosts included Steve Lawrence, Orson Welles, Ed Sullivan, Raymond Burr, Robert Young, Debbie Reynolds and Tony Curtis.  The remaining six episodes were variety specials and included two Friars Club roasts and a revival of the musical "Hellzapoppin'" starring Jack Cassidy and Ronnie Schell.

Steve Martin: Stephen Glenn Martin (born August 14, 1945) is an American actor, comedian, writer, producer, and musician.  Martin came to public notice in the 1960s as a writer for "The Smothers Brothers Comedy Hour", and later as a frequent guest on "The Tonight Show".  In the 1970s, Martin performed his offbeat, absurdist comedy routines before packed houses on national tours.  Since the 1980s, having branched away from comedy, Martin has become a successful actor, as well as an author, playwright, pianist, and banjo player, eventually earning him an Emmy, Grammy, and American Comedy awards, among other honors.

Charles Lane (actor): Charles Lane (born Charles Gerstle Levison; January 26, 1905 – July 9, 2007) was an American character actor and centenarian whose career spanned 77 years.  Lane gave his last performance at the age of 101 as a narrator in 2006.  Lane appeared in many Frank Capra films, including "You Can't Take It With You" (1938), "Mr. Smith Goes to Washington" (1939), "Arsenic and Old Lace" (1944), "It's a Wonderful Life" (1946) and "Riding High" (1950).  He was a favored supporting actor of Lucille Ball, who often used him as a no-nonsense authority figure and comedic foe of her scatterbrained TV character on her TV series "I Love Lucy", "The Lucy–Desi Comedy Hour" and "The Lucy Show".  His first film of more than 250 was as a hotel clerk in "Smart Money" (1931) starring Edward G. Robinson and James Cagney.

Frank Gorshin: Frank John Gorshin, Jr. (April 5, 1933 – May 17, 2005) was an American character actor, impressionist, and comedian.  He was perhaps best known as an impressionist, with many guest appearances on "The Ed Sullivan Show" and "Tonight Starring Steve Allen".  His most famous acting role was as the Riddler on the live-action television series "Batman".

Reid Ewing: Reid Ewing (born November 7, 1988) is an American actor known for his recurring guest role as Dylan on the ABC comedy "Modern Family".

Willy Parsons: Willy Parsons (born September 18, 1959 in San Diego, California) is also known as Wild Willy Parsons.  A stand-up comedian and an actor.  He has been in several movies including "The Guardian" directed by William Friedkin and "Nothing to Lose" directed by Steve Oedekerk.  Willy has also received an Emmy Award in 1985 for his writing on "Technical Difficulties".  His live CD "American Made" recorded at The Comedy Store was released in 2001.  A father of 2, daughter Emily and son Jack, is divorced.  Recently appeared on season 4 of Last Comic Standing and won the favorite comedian online in 2006.  Opened for Sam Kinison, Pauly Shore and Richard Jeni.  Toured twice with Andrew Dice Clay.  Appeared as the comedy relief in several Easyriders Videos as well as appearances on "The Dennis Miller Show", "Late Night with Carson Daly", "Caroline's Comedy Hour", "Evening at the Improv", "The Pat Sajak Show" and Showtime.

George Arthur Bloom: George Arthur Bloom (born 1945) is an American born Canadian screenwriter and producer known for his work on Nelvana television titles such as "The Magic School Bus" and "Cyberchase".  He also wrote the pilots for "The Transformers" and "My Little Pony", as well as a number of installments of the "My Little Pony" series such as "My Little Pony 'n Friends" and "My Little Pony Tales".  In 1980, he was a scriptwriter for Disney's "The Last Flight of Noah's Ark" and has written several scripts, produced and story edited for various television shows and films for children and adults alike such as "Welcome Back, Kotter", "Working Stiffs", "Sanford Arms", the American version of the British sitcom "Love Thy Neighbor", "Bucky O'Hare and the Toad Wars", "Street Sharks", most of the "Tugs" segments for "Salty's Lighthouse", "Stockard Channing in Just Friends", "The Billy Crystal Comedy Hour", "", "A Knife for the Ladies", several sketches of "Cher", "CBS Library", "Starsky and Hutch", "Chico and the Man", "Alice", "Jem and the Holograms", "Conan the Adventurer", "Romance Theatre", "Throb", "All in the Family", "The New Dick Van Dyke Show", three of the "Shades of Love" films, "Solid Gold", "The Dean Martin Show", "Carter Country", "The Incredible Hulk", "Nature Cat", "The Julie Andrews Hour", "The Charmkins", "Too Close for Comfort", "Party Games for Adults Only", "Love, Sidney", "The Powder Room", "Nine to Five", "Potato Head Kids" and "The Glo Friends".  Bloom wrote two of GoodTimes Home Video's 1994 animated films "" and "Cinderella" and as well as "Alice in Wonderland" in 1995.

Mario Joyner: Mario Joyner (born October 3, 1961) is an American stand-up comedian best known as the host of MTV's "Half Hour Comedy Hour" from 1988–1992.  He is a longtime friend and collaborator of comedians Chris Rock and Jerry Seinfeld.  He appeared regularly on "The Chris Rock Show" and "Everybody Hates Chris".  He also guest starred in the "Seinfeld" episodes "The Engagement" and "The Puerto Rican Day," playing two different characters, and voiced the character Jackson in the film "Bee Movie".  He has opened on national tours for Chris Rock (during his "No Apologies" tour) and for Jerry Seinfeld.

Supporting paragraphs: The ABC Comedy Hour Frank Gorshin
Answer: 1933