Question: What is the name of one of the counties in which Mary Ellen Matthews is based out of?

Context paragraphs:
Part of Me (Katy Perry song): "Part of Me" is a song by American singer Katy Perry, released as the lead single from "".  It was written by Perry, and Bonnie McKee, with production and additional writing by Dr. Luke, Max Martin, and Cirkut.  The song was not included on the original edition of "Teenage Dream" because Perry felt that it did not fit the composition of the album.  A demo of the song leaked online in late 2010, amid speculation that the lyrics were directed to the singer's ex-boyfriend Travie McCoy.  "Part of Me" was re-worked and officially released on February 13, 2012, through Capitol Records with artwork by art director Gavin Taylor and photography by Mary Ellen Matthews.

Mary Ellen Wilson: Mary Ellen Wilson (March, 1864 – October 30, 1956) or sometimes Mary Ellen McCormack was an American whose case of child abuse led to the creation of the New York Society for the Prevention of Cruelty to Children.  As an eight-year-old, she was severely abused by her foster parents, Francis and Mary Connolly.  Laws preventing cruelty to animals were used to remove her from the home, as laws preventing cruelty to children were yet to be created then.  Hers was the first recorded child abuse case in the United States.

Mary Ellen Otremba: Mary Ellen Dinkel Otremba (September 26, 1950 – July 16, 2014) was an American politician and a former member of the Minnesota House of Representatives who represented District 11B, which includes portions of Douglas and Todd counties in the west central part of the state.  A Democrat, she was also a substitute teacher and farmer.  On May 19, 2010, she announced that she would not seek an eighth term.

The Mary Ellen Carter: "The Mary Ellen Carter" is a song written and recorded by Stan Rogers, intended as an inspirational hymn about triumphing over great odds.  It tells the story of a heroic effort to salvage a sunken ship, the "Mary Ellen Carter", by members of her crew.

Mary Ellen Matthews: Mary Ellen Matthews is a photographer based in New York City and East Hampton, New York.  She is best known for her photographs featured on the television sketch comedy and variety show "Saturday Night Live" ("SNL"); her portraits of the celebrities who appear as guest-hosts and musical guests of "SNL" are displayed as the show returns from commercial breaks.  Since 2010 she has also directed videos for "SNL".

Fear Stalk: Fear Stalk is a 1989 American made-for-television thriller drama film starring Jill Clayburgh, Stephen Macht, Lynne Thigpen, Sandy McPeak, Mary Ellen Trainor, Lorna Luft and Sada Thompson.  It was directed by Larry Shaw from a teleplay written by Ellen Weston and broadcast as the "CBS Sunday Night Movie" on CBS on December 17, 1989.

Mary Elizabeth Lease: Mary Elizabeth Lease (September 11, 1850 – October 29, 1933) was an American lecturer, writer, and political activist.  She was an advocate of the suffrage movement as well as temperance but she was best known for her work with the Populist party.  She was born to Irish immigrants Joseph P. and Mary Elizabeth (Murray) Clyens, in Ridgway, Pennsylvania.  In 1895, she wrote "The Problem of Civilization Solved", and in 1896, she moved to New York City where she edited the democratic newspaper, "World".  In addition, she worked as an editor for the "National Encyclopedia of American Biography".  Mary Elizabeth Lease was also known as Mary Ellen Lease.  She was called "Queen Mary" (after the British Queen consort, Mary of Teck), "Mother Lease" by her supporters and "Mary Yellin" by her enemies.  Lease died in Callicoon, New York.

Mary Ellen Bromfield: Mary Ellen Bromfield (born Mary Ellen Tillotson on March 13, 1928) is an American actress, dancer, and author.

Pamela Baird: Pamela Baird (born Pamela Beaird on April 6, 1945) is an American former actress, best known for her role as "Mary Ellen Rogers", the girlfriend of "Wally Cleaver" on the classic sitcom, "Leave It to Beaver".  She appeared in seven of the show's 235 episodes, but her name was mentioned in many other segments.  Mary Ellen and Wally eventually wed, as they were shown as a married couple in the 1983 reunion movie "Still the Beaver" and the subsequent "The New Leave It to Beaver" series (in which Janice Kent played "Mary Ellen").

East Hampton (town), New York: The Town of East Hampton is located in southeastern Suffolk County, New York, at the eastern end of the South Shore of Long Island.  It is the easternmost town in the state of New York.  At the time of the United States 2010 Census, it had a total population of 21,457.

Supporting paragraphs: Mary Ellen Matthews East Hampton (town), New York
Answer: Suffolk County