Question: Shira Piven directed the 2014 film "Welcome to Me" whose starring actress is also known for her work on which NBC sketch comedy series?

Context paragraphs:
Shira Piven: Shira Piven (born October 8, 1961) is an American movie director and occasional actress and producer.  She directed the 2014 film "Welcome to Me" starring Kristen Wiig.

Amy Schumer: Amy Beth Schumer (born June 1, 1981) is an American stand-up comedian, writer, actress, and producer.  She ventured into comedy in the early 2000s before appearing as a contestant on the fifth season of the NBC reality competition series "Last Comic Standing" in 2007.  Since 2013, she has been the creator, co-producer, co-writer and star of the Comedy Central sketch comedy series "Inside Amy Schumer", for which she received a Peabody Award and for which Schumer has been nominated for five Primetime Emmy Awards for her work on the series, winning Outstanding Variety Sketch Series in 2015.  She wrote and made her film debut in a starring role in "Trainwreck" (2015), for which she received nominations for the Writers Guild of America Award for Best Original Screenplay and the Golden Globe Award for Best Actress – Motion Picture Comedy or Musical.  She published a memoir in 2016, "The Girl with the Lower Back Tattoo", which held the top position on "The New York Times" Non-Fiction Best Seller list for two weeks, and has also written for "Cosmopolitan" magazine.  Schumer also starred alongside Goldie Hawn in the comedy film "Snatched" (2017).

Tina Fey: Elizabeth Stamatina "Tina" Fey ( ; born May 18, 1970) is an American actress, comedian, writer, and producer.  She is best known for her work on the NBC sketch comedy series "Saturday Night Live" (1997–2006) and for creating the acclaimed comedy series "30 Rock" (2006–2013) and "Unbreakable Kimmy Schmidt" (2015–present).  Fey is also known for her film work, with her most notable appearances including roles in "Baby Mama" (2008), "Date Night" (2010), "Muppets Most Wanted" (2014), "Sisters" (2015), and "Whiskey Tango Foxtrot" (2016).

Rob Schneider: Robert Michael Schneider (born October 31, 1963) is an American actor, comedian, screenwriter, and director.  A stand-up comic and veteran of the NBC sketch comedy series "Saturday Night Live", he went on to a successful career in feature films, including starring roles in the comedy films "", "The Hot Chick", "The Benchwarmers", and "Grown Ups".

Adam McKay: Adam McKay (born April 17, 1968) is an American film director, producer, screenwriter, comedian, and actor.  McKay served as head writer for the NBC sketch comedy series "Saturday Night Live" for two seasons.  He directed "" (2004), "" (2006), "Step Brothers" (2008), "The Other Guys" (2010), and "" (2013).  McKay has a creative partnership with actor Will Ferrell, with whom he co-wrote all except one of these films.

Welcome to Me: Welcome to Me is a 2014 American black comedy-drama film directed by Shira Piven and written by Eliot Laurence.  The film stars Kristen Wiig as Alice Klieg, a multi-millionaire with borderline personality disorder who uses her newfound wealth to write and star in an autobiographical talk show.  The cast includes James Marsden, Linda Cardellini and Wes Bentley.  The film was released on May 1, 2015 in a limited release.

Candy Ford: Candy Ford (born May 1, 1975) is an American comedian and television actress, best known for starring in the sketch comedy, "The Rerun Show", Ford has also appeared in other TV programs including: "Curb Your Enthusiasm", "Will & Grace", and she provided voicework for the "Law & Order" videogame, and starred on the short-lived NBC sketch comedy, "The Rerun Show" and voiced Trixie in the film "The Country Bears" and later starred in "Girls Behaving Badly".

Pamela Norris: Pamela Norris in an American screenwriter and producer.  She is best known for her work on the NBC sketch comedy series "Saturday Night Live" (1980–84), and for co-writing the screenplay of the 1989 film "Troop Beverly Hills".  She was executive producer of the sitcom "Designing Women". , and "The Huntress" on USA Network.

Kristen Wiig: Kristen Carroll Wiig ( ; born August 22, 1973) is an American actress, comedian, writer, and producer.  She is known for her work on the NBC sketch comedy series "Saturday Night Live" (2005–12), and such films as "Bridesmaids", "The Martian", and "Ghostbusters".

Will Ferrell: John William Ferrell ( ; born July 16, 1967) is an American actor, comedian, producer, and writer.  He first established himself in the mid-1990s as a cast member on the NBC sketch comedy show "Saturday Night Live", and has subsequently starred in comedy films such as "" (2004), "" (2006), "Step Brothers" (2008), "The Other Guys" (2010) and "" (2013), all but one of which he co-wrote with his comedy partner Adam McKay.  The two also founded the comedy website Funny or Die in 2007.  Other films roles include "Elf", "Old School" (both 2003), "Blades of Glory" (2007), and the animated films "Megamind" (2010) and "The Lego Movie" (2014).

Supporting paragraphs: Shira Piven Kristen Wiig
Answer: Saturday Night Live