Question: What is the nationality of The Strictly's choreographer?

Context paragraphs:
Giovanni Pernice: Giovanni Pernice (born 5 September 1990) is an Italian dancer and choreographer, best known as a professional dancer on the BBC One dance series "Strictly Come Dancing".  Pernice is the Italian Open Latin Dance Champion (2012) and is the current Guinness World Record holder for Jive Kicks and Flicks.

Katya Jones: Katya Jones, born Ekaterina Andreevna Sokolova ("Russian: Екатерина Андреевна Соколова"), is a Russian dancer and choreographer, best known as a professional dancer on the BBC One dance series "Strictly Come Dancing".

Sugar Ray Robinson Award: The "Sugar Ray Robinson Award" (previously known as the Edward J. Neil Trophy) is given to the Boxing Writers Association of America's Fighter of the Year.  The BWAA first presented the trophy in 1938.  The original purpose of the trophy was to recognize "an individual who did the most for boxing in the previous year."  The ** mark indicates the boxer was not active in the year he actually won the award.  Over time, the award went strictly to the best fighter of each year as decided by the BWAA.  The members of the BWAA vote to decide the best boxer each year regardless of weight class or nationality.

Kevin Clifton: Kevin Clifton (born 13 October 1982) is an English professional dancer born in Waltham, Lincolnshire.  He is a professional dancer on the BBC TV series "Strictly Come Dancing", having previously worked as an assistant choreographer.  He has also featured on "Burn the Floor".  He is fondly called "Kevin from Grimsby".

Gorka Márquez: Gorka Márquez (born 4 September 1990) is a Spanish dancer and choreographer, best known as a professional dancer on the BBC One dance series "Strictly Come Dancing".  He has also appeared on live dance show, "Burn the Floor".

Jason Gilkison: Jason Gilkison is an Australian professional ballroom dance champion and choreographer.

Janette Manrara: Janette Manrara (born November 16, 1983) is an American professional dancer and choreographer from Miami, Florida.  Originally a Salsa dancer, learning from her Cuban family, she formally studied dance from the age of 19.  Manrara is best known for her appearances on the US series "So You Think You Can Dance" and British Ballroom Reality Television competition, "Strictly Come Dancing".

The Strictly: The Strictly is a signature dance routine from the BBC show "Strictly Come Dancing", which launched in the 13th series of the popular entertainment show.  The dance was devised by "Strictly Come Dancing"'s Director of Choreography, Jason Gilkison and draws inspiration from some of the show's most iconic moves, as well as celebrating some of the show's stars.

AJ Pritchard: Alex Joseph "AJ" Pritchard (born 5 November 1994) is an English dancer and choreographer, best known as a professional dancer on the BBC One dance series "Strictly Come Dancing".  In 2013 Pritchard auditioned for the seventh series of "Britain's Got Talent" along with his partner Chloe Hewitt and reached the semi-finals.

Aljaž Skorjanec: Aljaž Škorjanec (born 19 February 1990) is a Slovenian dancer and choreographer who has appeared on the BBC show Strictly Come Dancing as a professional dancer.

Supporting paragraphs: The Strictly Jason Gilkison
Answer: Australian