Question: What is the nationality of musican Elijah Blue Allman and Steve Sarkisian?

Context paragraphs:
2016 USC Trojans football team: The 2016 USC Trojans football team represented the University of Southern California in the 2016 NCAA Division I FBS football season.  They played their home games at the Los Angeles Memorial Coliseum as part of the South Division of the Pac-12 Conference.  They were led by head coach Clay Helton in his first full season after replacing Steve Sarkisian in the sixth game of the 2015 season.  They finished the season 10–3, 7–2 in Pac-12 play to finish in second place in the South Division.  They were invited to the Rose Bowl where they defeated Penn State.

2012 Washington Huskies football team: The 2012 Washington Huskies football team represented the University of Washington in the 2012 NCAA Division I FBS football season.  The team, coached by fourth-year head coach Steve Sarkisian, was a member of the North Division of the Pac-12 Conference.  The Huskies played their home games at CenturyLink Field in Seattle due to renovations at their normal on-campus home of Husky Stadium, also in Seattle.  They finished the season 7–6, 5–4 in Pac-12 play to finish in fourth place in the North Division.  They were invited to the Maaco Bowl Las Vegas where they were defeated by Boise State.

2009 Washington Huskies football team: The 2009 Washington Huskies football team represented the University of Washington in the 2009 NCAA Division I FBS football season.  The team's head coach was Steve Sarkisian.  The Huskies played their home games at Husky Stadium in Seattle, Washington.  The Huskies finished the season 5–7 and 4–5 in Pac-10 play.

Steve Sarkisian: Stephen Ambrose Sarkisian (born March 8, 1974) is an American football coach and former player who is currently the offensive coordinator for the Atlanta Falcons of the National Football League (NFL).  He has served as the head football coach of the University of Washington from 2009 to 2013 and at the University of Southern California (USC) from 2014 to 2015.  He played college football as a quarterback at Brigham Young University (BYU) and professionally with the Saskatchewan Roughriders of the Canadian Football League (CFL).

2014 USC Trojans football team: The 2014 USC Trojans football team represented the University of Southern California in the 2014 college football season.  USC played their home games at the Los Angeles Memorial Coliseum and were members of the South Division of the Pac-12 Conference.  They were led by Steve Sarkisian, who returned to USC after coaching Pac-12 opponent Washington for five years.  They finished the season 9–4, 6–3 in Pac-12 play to finish in a three-way tie for second place in the South Division.  They were invited to the Holiday Bowl where they defeated Nebraska.

Dear Mom, Love Cher: Dear Mom, Love Cher is a 2013 American television documentary about Georgia Holt, the mother of singer and actress Cher.  The film recounts Cher's family history and features in-depth interviews with her, Holt, Holt's other daughter Georganne LaPiere, and Holt's grandchildren, from Cher, Chaz Bono and Elijah Blue Allman.  It premiered on Lifetime on May 6, 2013.  The worldwide VOD/DVD release was on September 24, 2013, the same release date as Cher's 25th studio album, "Closer to the Truth".  P. David Ebersole directed the film, and Todd Hughes was the producer.

2013 Washington Huskies football team: The 2013 Washington Huskies football team represented the University of Washington in the 2013 NCAA Division I FBS football season.  The team, coached by fifth-year head coach Steve Sarkisian, was a member of the North Division of the Pac-12 Conference.  Sarkisian left the team to become the head coach at USC following the Apple Cup.  The team was led by quarterbacks coach Marques Tuiasosopo following Sarkisian's departure.  The Huskies played their home games at their on-campus home of Husky Stadium.

Elijah Blue Allman: Elijah Blue Allman (born July 10, 1976), known professionally as P. Exeter Blue, is an American musician, and the son of singer Cher and her second husband Gregg Allman.  He is a half-brother of Chaz Bono, Delilah Allman, Michael Allman, Layla Allman, and Devon Allman.

2011 Washington Huskies football team: The 2011 Washington Huskies football team represented the University of Washington in the 2011 NCAA Division I FBS football season.  The team was coached by third year head coach Steve Sarkisian.  They played six of their home games at Husky Stadium and their final home game at CenturyLink Field due to a planned renovation of Husky Stadium; both stadiums are in Seattle, Washington.  They are a member of the North Division of the Pac-12 Conference.  They finished the season 7–6, 5–4 in Pac-12 play to finish in third place in the North division.  They were invited to the Alamo Bowl where they were defeated by Baylor 56–67.

2010 Washington Huskies football team: The 2010 Washington Huskies football team represented the University of Washington in the 2010 NCAA Division I FBS football season.  The team's head coach was Steve Sarkisian.  The Huskies played their home games at Husky Stadium in Seattle, Washington, and were members of the Pacific-10 Conference.  They finished the season 7–6, 5–4 in Pac-10 play and were invited to the Holiday Bowl, their first bowl game in eight years, where they defeated Nebraska 19–7.

Supporting paragraphs: Elijah Blue Allman Steve Sarkisian
Answer: American