Question: What nationality is shared by Adam G. Sevani and Ken Davitian?

Context paragraphs:
Adam G. Sevani: Adam G. Sevani (born June 29, 1992) is an American actor and dancer, known for playing Robert Alexander III / "Moose" in Step Up (film series).

Azamat Bagatov: Azamat Bagatov is a satirical character invented by English comedian Sacha Baron Cohen.  Played by Ken Davitian, he is a Kazakh producer and is a character in the film "Borat: Cultural Learnings of America for Make Benefit Glorious Nation of Kazakhstan".  He works in a guesthouse now.

Adam G. Ciongoli: Adam G. Ciongoli (born 1968) is a government and private lawyer, and was the Counselor to United States Attorney General John Ashcroft during the September 11, 2001 attacks and in the period that followed.

Synapse (film): Synapse is a science fiction thriller directed by music video director Kenlon Clark.  The screenplay was written by Adam G. Simon who also penned the original story and screenplay for "Man Down".  Simon also stars in the film alongside Sophina Brown, Henry Simmons, Joshua Alba, Charley Boon and Will Rubio.  The sound design for the film was done by Emmy Award winning sound designer Michael Archacki and the score was created by Christian Davis.

Man Down (film): Man Down is a 2015 American war thriller drama film directed by Dito Montiel and written by Adam G. Simon.  The film stars Shia LaBeouf, Jai Courtney, Gary Oldman, Kate Mara and Clifton Collins Jr. The film follows a Marine that returns from Afghanistan to find his hometown devastated and his wife and son are missing.

Helicopter Cube: The Helicopter Cube is a Rubik's Cube-like puzzle invented by Adam G. Cowan in 2005 and built in 2006.  It is also in the shape of a cube, but cut differently, and twists around cube edges rather than cube faces.  The purpose of the puzzle is to scramble the colors, and then restore them back to their original state of a single color per face.

Ken Davitian: Kenneth "Ken" Davitian (Քեն Դավիթյան, born June 19, 1953) is an American comedian, who is best known for his role as Borat's producer Azamat Bagatov in the 2006 comedy film "Borat".

LOL (2012 film): LOL is a 2012 American coming of age romance film directed by Lisa Azuelos, written by Azuelos and Kamir Aïnouz.  The film is a remake of the 2008 French film "LOL (Laughing Out Loud)".  It stars Miley Cyrus, Demi Moore, Ashley Greene and Adam Sevani.  It was filmed in 2010 but released by Lionsgate two years later, in the United States on May 4, 2012, as a limited release in 105 theaters without promotion.  Before its release in the US, "LOL" was released in India and Singapore.  The film was released in 26 countries.  The film received mostly negative reviews from film critics and it earned $10.4 million on a $11 million budget, making it a box office bomb.

Step Up 3D: Step Up 3D (also known as Step Up 3) is a 2010 American 3D dance film written by Amy Andelson and Emily Meyer and directed by ""' s Jon M. Chu.  The sequel sees the return of Adam Sevani and Alyson Stoner, who portrayed Moose from "Step Up 2: The Streets" and Camille Gage from "Step Up".  As the third installment in the "Step Up" series and the first shot in 3D, the film follows Moose and Camille Gage as they head to New York University, the former dancer of whom is majoring in electrical engineering after promising his father that he would not dance anymore.  However, he soon stumbles upon a dance battle, meeting Luke Katcher and his House of Pirates dance crew and later teaming up with them to compete in the World Jam dance contest against their rival, the House of Samurai dance crew.

2011 Nobel Prize in Physics: The 2011 Nobel Prize in Physics was awarded in 2011.  One half of it was awarded to Saul Perlmutter, head of the Supernova Cosmology Product at the Lawrence Berkeley National Laboratory, and the other half was awarded to Brian P. Schmidt and Adam G. Riess, both leaders of the High-Z Supernova Team.  Their prize was awarded "for the discovery of the accelerating expansion of the Universe through observations of distant supernovae."

Supporting paragraphs: Adam G. Sevani Ken Davitian
Answer: American