Question: What actress performed in Upright Citizens Brigade and starred in the comedy series "Parks and Recreation"?

Context articles: Matt Walsh (comedian)
The UCB Show
Wendy Spero
Upright Citizens Brigade (TV series)
Freak Dance (film)
I'm Leslie Knope
Margot Leitman
Upright Citizens Brigade Theatre
Nicole Byer
Amy Poehler

Matthew Paul Walsh (born October 13, 1964) is an American actor, comedian, director, and writer best known as a founding member of the Upright Citizens Brigade improvisational sketch comedy troupe and for playing Mike McLintock on the HBO series "Veep", a role for which he has received two Primetime Emmy Award nominations.
 He also previously starred in short-lived comedy programs such as "Dog Bites Man" on Comedy Central and "Players" on Spike TV.
 He also starred in the 2014 disaster movie "Into the Storm".
The UCB Show is an American sketch comedy series that premiered on December 3, 2015 via the Seeso comedy subscription streaming service.
 The series features members of Upright Citizens Brigade, an improvisational sketch comedy group.
 The cast includes Matt Besser, Amy Poehler, Ian Roberts, and Matt Walsh, the same actors that appeared on "Upright Citizens Brigade", the previous show that aired on Comedy Central in the 1990s.
 The variety series features various sketches, characters and stand-up shows from the Upright Citizens Brigade theatres in Los Angeles and New York.
 The show is hosted by the original actors of the theatre and filmed in front of a live studio audience.
 "The UCB Show" was renewed for a second season, which premiered January 12, 2017.
Wendy Spero is an actress, comedian, and writer who has performed on NPR, Comedy Central, VH1, NBC, and the Food Network.
 Her one woman show, "Who's Your Daddy?"
 was produced at Edinburgh Fringe Festival after a year-long run at the Upright Citizens Brigade Theater in New York in 2004.
 She wrote a memoir, "Microthrills: True Stories from a Life of Small Highs", in 2006.
Upright Citizens Brigade is an American sketch comedy television series that premiered on August 19, 1998 on Comedy Central.
 The show aired for three seasons with each season consisting of ten episodes.
 The series featured four members of Upright Citizens Brigade, an improvisational sketch comedy group.
 The cast included Matt Besser, Amy Poehler, Ian Roberts, and Matt Walsh.
 The cast would later reunite for another series of a similar format that premiered in 2016 on Seeso.
Freak Dance is an American comedy film written and directed by Matt Besser of the Upright Citizens Brigade and co-directed by Neil Mahoney.
 It premiered at the Austin Film Festival on October 21, 2011.
 The film had a limited theatrical release in May 2012 and made available on video on demand services.
 The film was released on DVD on July 10, 2012.
 The film is based on a stage show created by Besser, which originally ran at the Upright Citizens Brigade Theater in Los Angeles for several years.
"I'm Leslie Knope" is the first episode of the fourth season of the American comedy television series "Parks and Recreation", and the 47th overall episode of the series.
 It originally aired on NBC in the United States on September 22, 2011.
 In the episode, Leslie Knope (Amy Poehler) faces trouble telling Ben Wyatt (Adam Scott) that she is running for public office, which will cause them to have to end their secret relationship.
 Meanwhile, Ron braces himself for the arrival of his first ex-wife, "Tammy I".
Margot Leitman is an American comedic storyteller, humor writer, and teacher.
 Leitman is originally from Matawan, New Jersey.
 She appeared as a regular sketch performer on "Late Night with Conan O’Brien", where she acted as the character “Gyno-blast”.
 Margot currently teaches storytelling at the Upright Citizens Brigade Theatre where she hosts the long running sex-themed storytelling show, Stripped Stories.
 She also hosts and produces the storytelling show at Upright Citizen's Brigade, Origin Story.
 https://sunset.ucbtheatre.com/performance/41255 She has a spouse, Dan Curry and son.
The Upright Citizens Brigade Theatre (shorter UCB Theatre) is an American improvisational theatre and training center, founded by the Upright Citizens Brigade troupe members, including Matt Besser, Amy Poehler, Ian Roberts and Matt Walsh.
 It has locations in the New York neighborhoods of Chelsea and the East Village as well as the Los Angeles neighborhoods of Hollywood and Sunset Boulevard.
Nicole Byer is a comedian and actress who starred in the scripted comedy based on her life, "Loosely Exactly Nicole", as well as prank show "Ladylike".
 Byer has also appeared in the sketch-comedy series "Party Over Here", reality show "Girl Code", and the Upright Citizens Brigade.
Amy Poehler ( ; born September 16, 1971) is an American actress, comedian, director, producer, and writer.
 After studying improv at Chicago's Second City and ImprovOlympic in the early 1990s, she went to New York City in 1996 to become part of the improvisational comedy troupe Upright Citizens Brigade.
 The group's act became a half-hour sketch comedy series on Comedy Central in 1998.
 Along with other members of the comedy group, Poehler was a founder of the Upright Citizens Brigade Theatre.