Question: The Korea American Football Association, has existed in South Korea for more than 20 years, the popularity of American football in Korea has been historically low, but with the visit of Hines Edward Ward Jr.a Korean born NFL football star, and television personality, with the Pittsburgh Steelers, in what year, the sport received a modest level of increased appeal?
Context: The Turtle Fighters is an American football team of Dong-eui University, based at Busan in Korea.  The Turtle Fighters is 터틀 파이터스 in Korean(Hangul).  The team is a member of KCAF (Korea Collegiate American football Federation) of the Korea American Football Association. Johnny Lee Stallworth (born July 15, 1952) is a former American football wide receiver who played fourteen seasons in the National Football League for the Pittsburgh Steelers.  He is considered to be one of the best wide receivers in NFL history.  He played college football at Alabama A&M, and was the Steelers' fourth-round draft pick in 1974.  Stallworth played in six AFC championships, and went to four Super Bowls. His career statistics included 537 receptions for 8,723 yards and 63 TDs.  Stallworth's reception total was a franchise record until being surpassed by Hines Ward in 2005.  Stallworth played in three Pro Bowls and was the Steelers' two-time MVP.  He was inducted into the Pro Football Hall of Fame in 2002. Tourism in South Korea refers to the tourist industry in the Republic of Korea.  In 2012, 11.1 million foreign tourists visited South Korea, making it the 20th most visited country in the world, and the 6th most visited in Asia.  Most non-Korean tourists come from Japan, China, Taiwan and Hong Kong.  The recent popularity of Korean popular culture, often known as the "Korean Wave", in these countries has increased tourist arrivals.  Seoul is the principal tourist destination for visitors; popular tourist destinations outside of Seoul include Seorak-san national park, the historic city of Gyeongju and subtropical Jeju Island.  Traveling to North Korea is not normally possible without a special permission, but in recent years organized group tours have allowed groups of South Korean citizens to visit Mount Kumgang. Eugene Walter "Chick" Cichowski (born May 20, 1934 in Chicago, Illinois) is a former American football cornerback in the National Football League for the Pittsburgh Steelers and the Washington Redskins.  He played college football at Indiana University and was drafted in the 21st round of the 1957 NFL Draft.  He also played semi-pro football in the American Football Association (AFA) and in the Canadian Football League (CFL).  He was inducted into the AFA Hall of Fame in 2009.  He coached at New Trier high school in Illinois for 20 years with an overall record of 145–47–1.  Cichowski was later inducted into the Illinois Football Coaches Association Hall of Fame.  He recruited Clay Mathews Jr to play his Senior season at New Trier.  He later went on to scout for the Baltimore Ravens and New York Jets. Ernest Edward Hefferle (January 12, 1915 – August 8, 2000) was an American football player and coach.  He served as head football coach at Boston College from 1960 to 1961 and as the interim head coach for the New Orleans Saints of the National Football League (NFL) in 1975.  A football star at Duquesne University, Hefferle pulled in a fourth quarter bomb from Boyd Brombaugh to win the 1937 Orange Bowl for the Dukes.  He served as a high school coach in South Huntingdon, Pennsylvania and Tarentum, Pennsylvania from 1947 to 1950.  From 1951 to 1958, he was assistant coach at the University of Pittsburgh.  In 1959, he was an assistant under Mike Nixon with the Washington Redskins.  He was head coach of the Boston College Eagles from 1960 to 1961, where he had a 7–12–1 record.  On December 21, 1961 he resigned his position as head coach.  From 1962 to 1964 and from 1966 to 1971, he was again and assistant at the University of Pittsburgh.  In 1965, he served under former boss Mike Nixon on the Pittsburgh Steelers coaching staff.  In 1975 Hefferle, then the Saints' director of pro personnel was hired as interim head after the firing of John North.  He had a record 1–7 in his one half season as the Saints interim head coach. Working hours in South Korea are quite long compared to other OECD countries because the working hours are related to Korean economic growth.  Since the 1960s, economy of South Korea was begun to transform from agricultural economy]] into industrialized and high-technological economy.  The South Korea’s per capita GDP sharply increased from US $100 in 1963 to US $35,300 in 2014 and finally South Korea becomes the country that has 20th largest economies in the world.  In the process, many workers have contributed to increase GDP of South Korea and therefore working hours continuously increase at the same time.  According to a research on OECD website, working hours in South Korea were 2,124 per worker in 2014.  The figure shows Korea ranks 3rd highest working hour country compared to 1,789 hours in U.S., 1,677 hours in UK, and even the shortest 1,366 hours in Germany.  In addition, the hourly minimum wage in South Korea is 6,030 won ($5.30) in 2016 and it will be increased to 6,470 won ($5.69) by the South Korean Minimum Wage Council in 2017. The Pittsburgh Steelers season was the team's 80th season as a member of the National Football League (NFL).  It was the 13th season under the leadership of general manager Kevin Colbert and the 6th under head coach Mike Tomlin.  The Steelers failed to improve on their 12–4 record from 2011 and did not reach the postseason for the first time since 2009.  The Steelers finished the season with a record of 8–8, their first non-winning season since 2006.  The 2012 Steelers set a new NFL record for the most games decided on the last play, with 6.  Steelers Hines Ward was not on the team's roster, as he was released in March 2012.  Ward retired after he was cut. Hines Edward Ward Jr. (born March 8, 1976) is a former American football wide receiver, businessman, and television personality.  He is a current CNN studio analyst who played 14 seasons for the Pittsburgh Steelers of the National Football League (NFL).  He played college football at the University of Georgia.  The Pittsburgh Steelers selected him in the third round of the 1998 NFL Draft, and he became the team's all-time leader in receptions, receiving yardage and touchdown receptions.  Ward was voted MVP of Super Bowl XL, and upon retirement was one of only thirteen NFL players to have 1,000 or more career receptions. The South Korean National American Football Team is the official American football team for South Korea and controlled by the Korea American Football Association. The Korea American Football Association (KAFA, Korean: 대한미식축구협회, Hanja: 大韓美式蹴球協會) has existed in South Korea for more than 20 years.  The popularity of American football in Korea has been historically low, but with the visit of Hines Ward (a Korean born NFL football star with the Pittsburgh Steelers) in 2006, the sport received a modest level of increased appeal.  Within Korea, KAFA is a sports governing body over both traditional football with pads and also flag football.
Answer: 2006