Question: Ko Won-hee became the youngest ever model for an airline headquartered in what city?

Context paragraphs:
Matt Delligatti: Matt Delligatti is the former mayor of Fairmont, West Virginia, the county seat of Marion County.  He is a member of the Democratic Party.  In January 2009, he became the youngest mayor in Fairmont's history at age 22, only two years after being elected the youngest ever member of Fairmont's City Council.

Kai Havertz: Kai Havertz (born 11 June 1999) is a German professional footballer who plays as a midfielder for Bundesliga side Bayer Leverkusen.  Upon making his debut for Leverkusen in 2016, Havertz became the club's youngest ever debutante in the Bundesliga and became their youngest ever goalscorer when he scored his first goal the following year.

Formula One drivers from Germany: There have been 52 Formula One drivers from Germany including three world champions, one of whom is currently racing in the sport.  Michael Schumacher holds many records in F1 including the most world championship titles and the most consecutive titles.  In 2008 Sebastian Vettel became the youngest ever driver to win a race (which was later broken) and, in 2010, became the youngest world championship winner.  In 2016, Nico Rosberg became the third driver from Germany to win the F1 drivers' championship.  There are currently three German race drivers in Formula One.

Asiana Airlines: Asiana Airlines Inc. ( ; formerly Seoul Airlines) is one of South Korea's two major airlines, along with Korean Air.  Asiana has its headquarters in Asiana Town building in Seoul.  The airline has its domestic hub at Gimpo International Airport and its international hub at Incheon International Airport (70 km from central Seoul).

Ko Won-hee: Ko Won-hee (born September 12, 1994) is a South Korean actress.  Ko began her entertainment career as a commercial model in 2011, and became the youngest ever model for Asiana Airlines in 2012.  She then began acting, and has since starred in films and television dramas such as "Cruel Palace - War of Flowers" (2013), "My Dear Cat" (2014), and "Tabloid Truth" (2014).  In 2015, she joined the cast of sketch comedy/variety show "Saturday Night Live Korea".

Cruel Palace: War of Flowers: Cruel Palace - War of Flowers () is a 2013 South Korean historical television series starring Kim Hyun-joo, Lee Deok-hwa, Song Seon-mi, Jung Sung-mo, Jung Sung-woon, Kim Joo-young, ko Won-hee, and Jun Tae-soo.  It aired on jTBC from March 23 to September 8, 2013 on Saturdays and Sundays at 20:45 for 50 episodes.

David Parker (football manager): David Parker (born 27 April 1984) is an English football manager.  He was the manager of Birmingham City Ladies in the FA Women's Super League from 2011 to 2016.  Aged 26 he became the youngest manager in English football and one of the youngest ever to hold the FA – UEFA A Licence.

Jessica Caban: Jessica Marie Caban (born June 13, 1982) is an American fashion model and actress.  She was a contestant on "Model Latina", where she was crowned the first ever Model Latina champion.

Azlan Shah of Perak: Sultan Azlan Muhibbuddin Shah ibni Almarhum Sultan Yussuf Izzuddin Shah Ghafarullahu-lah, GCB, KSTJ (19 April 1928 – 28 May 2014) was the 34th Sultan of Perak and was the ninth Yang di-Pertuan Agong of Malaysia from 26 April 1989 to 25 April 1994.  The child of a royal father and commoner mother, he grew up in Perak, Malaysia.  During school he played field hockey, subsequently playing for the Perak team.  He trained to be a lawyer in the United Kingdom.  Upon returning to Malaysia, he soon became a judge and quickly rose through the legal ranks.  In 1965, he became the youngest person appointed to the High Court of Malaya, and in 1982 he became the youngest ever Lord President of the Federal Court, the country's highest judicial rank.

Strongest Deliveryman: Strongest Deliveryman () is 2017 South Korean television series starring Go Kyung-pyo, Chae Soo-bin, and Ko Won-hee.  It premiered on August 4, 2017 and aired every Friday and Saturday at 23:00 (KST) on KBS2, until September 23, 2017.

Supporting paragraphs: Ko Won-hee Asiana Airlines
Answer: Seoul