Question: This sports competition took its name from a series of wars for control of what?

Context paragraphs:
List of Dog Days episodes: Dog Days is a 2011 Japanese fantasy anime television series created by Masaki Tsuzuki.  The series revolves around Shinku Izumi, a cheerful and athletic half-Japanese, half-English boy studying at Kinokawa International School in Japan who is suddenly summoned to the alternate world of Flonyard.  The people there look no different from humans, except for one thing; they have animal ears and tails.  The one who summoned him is Millhiore, the dog-like Princess of the Biscotti Republic, who requested his assistance in their war against the forces of the feline-like Galette Lion Dominion.  The wars in Flonyard differ from the ones on Earth, and are waged with special rules and no casualties in a fashion similar to a sports competition with the purpose to raise funds for the Kingdoms involved, where the winner faction claims a larger sum than the losing side.

White Rose Varsity Tournament: Taking its name from the 15th century Wars of the Roses where York were represented by the white rose the White Rose Varsity Tournament is a sports competition between the two York-based universities in the UK; University of York and York St John University.  Started in 2005 by AU-president Stuart Leslie of the University of York and his counterpart from the then York St John College, it is hoped to be continued as an annual event.

Fencing at the 2006 Asian Games: Fencing was contested at the 2006 Asian Games in Doha, Qatar from December 9 to December 14.  Men's and women's competition took place in the Sabre, Foil, and Épée.  Team competition also took place.  All competition took place at Al-Arabi Indoor Hall.

Air sports at the 2017 World Games: The air sports tournaments at the 2017 World Games in Wrocław was played between 21 and 23 July.  64 acrobatic gymnastics competitors, from 22 nations, participated in the tournament.  The air sports competition took place at Szymanów Airport in Szymanów.

Roses Tournament: The Roses Tournament is an annual sports competition between Lancaster University and the University of York in England, and is the largest inter-university sports tournament in Europe.  It is organised by their respective Students' Unions, YUSU and LUSU.  It takes its name from the 15th Century civil war, The Wars of the Roses, between the House of Lancaster and the House of York.  The competition is held every summer, alternating its venue between the two universities.

Cue sports at the 2002 Asian Games: The cue sports was one of the many sports which was held at the 2002 Asian Games in Busan, South Korea between 1 and 8 October 2002.  The competition took place at Dongju College Gymnasium.  The competition included only men's events.

List of Pan American Championships: An Pan American Championship is a top level international sports competition between athletes or sports teams representing their respective countries or professional sports clubs in the Americas.  Typically these championships are recurring, the most common formats being annual, biennial and quadrennial.  The Pan American Games is the highest level sporting competition for the region.  It is common for there to be sport-specific governing bodies to organise these regional competitions, such as the Pan American Judo Confederation.

Wars of the Roses: The Wars of the Roses were a series of wars for control of the throne of England fought between supporters of two rival branches of the royal House of Plantagenet: the House of Lancaster (associated with a red rose), and the House of York (whose symbol was a white rose).  The conflict lasted through many sporadic episodes between 1455 and 1487; however, there was fighting before and after this period between the houses.  The power struggle ignited around social and financial troubles following the Hundred Years' War, combined with the mental infirmity and weak rule of Henry VI which revived interest in Richard of York's claim to the throne.  Historians disagree about whether the Wars of the Roses were caused by the structural problems of feudalism or Henry VI's ineffectiveness as king.

Boules sports at the 2017 World Games: The boules sports tournament at the 2017 World Games in Wrocław was played between 22 and 24 July.  94 competitors, from 27 nations, participated in the tournament.  The boules sports competition took place at Centennial Hall in Lower Silesian Voivodeship.

ALFA (rowing): ALFA is the biggest indoor rowing competition in the Baltics raced over 1,000 m on Concept2 indoor rowers.  The first competition in Estonia on Concept2 rowing ergometers took place at the end of 1993 in the hall of the Lootos sports association.  There were 54 participants in the competition, initiated by the Tallinn Rowing Club.  In 1995, the second rowing ergometer competition took place in the sports facilities of Flora with the third event occurring at the same venue in 1996.

Supporting paragraphs: White Rose Varsity Tournament Wars of the Roses
Answer: the throne of England