Question: What did Keegan-Michael Key star in first, "Key & Peele" or Let's Be Cops?

Context paragraphs:
List of Key &amp; Peele episodes: "Key & Peele" is an American sketch comedy television series starring Keegan-Michael Key and Jordan Peele, both former cast members of "MADtv".  Each episode of the series consists of several pre-taped sketches starring the two actors.  The sketches cover a variety of societal topics, often with a focus on African-American culture and race relations.  The series premiered on January 31, 2012 and ended on September 9, 2015, with a total of 53 episodes, over the course of five seasons.  A special entitled "Key & Peele's Super Bowl Special" aired on January 30, 2015.

Keegan-Michael Key: Keegan-Michael Key (born March 22, 1971) is an American actor, comedian, writer, and producer.  He starred in the Comedy Central sketch series "Key & Peele" (2012–2015) and co-stars in the USA Network comedy series "Playing House" (2014–present).  He spent six seasons as a cast member on "MADtv" (2004–2009) and has made several guest appearances on the US version of "Whose Line is it Anyway? " on The CW.  In 2014, he also starred in the first season of the FX series "Fargo".  In 2013–2015, he had a recurring role on the sixth and the seventh and final season of the NBC series "Parks and Recreation".  He hosted the US version of "The Planet's Funniest Animals" on Animal Planet from 2005 until the show's end in 2008.

Let's Be Cops: Let's Be Cops is a 2014 American action comedy film co-written and directed by Luke Greenfield.  The film stars Jake Johnson and Damon Wayans, Jr. as two friends who pretend to be Los Angeles police officers.  Co-starring Nina Dobrev, Rob Riggle, James D'Arcy and Keegan-Michael Key, the film was released on August 13, 2014.

Key &amp; Peele: Key & Peele is an American sketch comedy television series created by Keegan-Michael Key and Jordan Peele for Comedy Central.  Both Key and Peele previously worked on "MADtv".

29th TCA Awards: The nominees for the 29th TCA Awards were announced by the Television Critics Association on June 10, 2013.  Winners were announced on August 3, 2013 at the Beverly Hilton Hotel in a ceremony hosted by Keegan-Michael Key and Jordan Peele.

Win It All: Win It All is an American comedy film co-written, directed and edited by Joe Swanberg.  Jake Johnson, who co-wrote the screenplay, stars alongside Aislinn Derbez, Joe Lo Truglio and Keegan-Michael Key.

Morton's Fork (Fargo): "Morton's Fork" is the tenth episode and season one finale of the FX anthology series "Fargo".  It was written by series creator and showrunner Noah Hawley and directed by Matt Shakman.  The title refers to a dilemma of the same name, posed in the episode by FBI agents Pepper (Keegan-Michael Key) and Budge (Jordan Peele).

Keanu (film): Keanu is a 2016 American action comedy film directed by Peter Atencio and written by Jordan Peele and Alex Rubens.  The film stars Peele, Keegan-Michael Key, Method Man, Nia Long, and Will Forte.  Filming began in New Orleans, Louisiana in June 2015.  The film premiered at the South by Southwest Festival on March 13, 2016, and was released theatrically in North America on April 29, 2016, receiving generally positive reviews from critics and grossed $20 million against its $15 million budget.

Star Cops: Star Cops is a British science fiction television series first broadcast on BBC2 in 1987.  It was devised by Chris Boucher, a writer who had previously worked on the science fiction television series "Doctor Who" and "Blake's 7" as well as crime dramas such as "Juliet Bravo" and "Bergerac".  Set in the year 2027, a time where Interplanetary travel has become commonplace, it starred David Calder as Nathan Spring, commander of the International Space Police Force—nicknamed the “Star Cops"—who provide law enforcement for the newly developing colonies of the Solar System.  The series follows Nathan Spring and the rest of his multinational team as they work to establish the Star Cops and solve whatever crimes come their way.  Operating in a relatively accurately realised hard SF, near-future, space environment, many of the cases that the Star Cops investigate arise from opportunities for new crimes presented by the technologically advanced future society the series depicts and from the hostile frontier nature of the environment that the Star Cops live in.

Storks (film): Storks is a 2016 American 3D computer-animated adventure buddy comedy film produced by Warner Animation Group, RatPac-Dune Entertainment and Stoller Global Solutions.  It is directed by Nicholas Stoller and Doug Sweetland (in his feature debut), written by Stoller and stars the voices of Andy Samberg, Katie Crown, Kelsey Grammer, Jennifer Aniston, Ty Burrell, Keegan-Michael Key, Jordan Peele, and Danny Trejo.

Supporting paragraphs: Let's Be Cops Keegan-Michael Key
Answer: "Key & Peele"