Question: Lee Min-ho stared in his first leading film role in 2015 in a film which was set in which part of Seoul? 

<P0-S0> Gangnam Blues (; lit. <P0-S1>  Gangnam 1970) is a 2015 South Korean noir action film written and directed by Yoo Ha, and starring Lee Min-ho and Kim Rae-won. <P0-S2>  The film is set in the 1970s against the backdrop of the real estate development of Seoul's Gangnam district amidst socio-political turmoil and terrorism. <P0-S3>  The friendship of two childhood friends is tested as they find themselves entangled in the collusion and battles between political powers and criminal organizations. <SEP> <P1-S0> Parker Sawyers (born 1984) is an American actor. <P1-S1>  His first leading film role was starring as a young Barack Obama in "Southside With You". <P1-S2>  He is also featured in Don't Hang Up (film) as Mr. Lee. <SEP> <P2-S0>  She is one of the highest paid actresses in Hollywood and is the highest paid actress of Latin descent, making up to US$15 million per film role. <P2-S1>  Her next two film roles in "Jack" (1996) and "Blood and Wine" (1997) were received similarly; however, critics were divided by the latter. <P2-S2>  The film met with positive reviews and was a box office success. <P2-S3> American entertainer Jennifer Lopez has appeared in many motion pictures and television programs. <P2-S4>  Later that year, Lopez starred as Terri Flores in the film "Anaconda", which garnered negative reviews by critics despite being a box office success. <P2-S5>  Lopez received her first leading role in the Selena biopic of the same name in 1997. <P2-S6>  From there, she received her first high-profile job in 1991 as a Fly Girl dancer on the television comedy program "In Living Color". <P2-S7>  Lopez's first major film role came in the 1995 motion picture "Money Train", alongside Wesley Snipes and Woody Harrelson. <P2-S8>  "Second Chances" and "Hotel Malibu" ran for only a brief period, receiving negative reviews. <P2-S9>  She is also the richest actress in Hollywood, with an estimated net worth of $320 million (as of 2014). <P2-S10>  The film was a commercial and critical success and is often cited by critics as her breakout role. <P2-S11>  Following her departure from the show in 1993, Lopez made several guest appearances in the television series "South Central", appeared in the made-for-television movie "Lost in the Wild" (1993) and starred as Melinda Lopez in the television series "Second Chances" (1993) and its spin-off "Hotel Malibu" (1994). <P2-S12>  Lopez made her acting debut at age 16 with a small role in the 1986 film "My Little Girl". <P2-S13>  In the same year, she also lent her voice to the animated film "Antz". <P2-S14>  In 1998, Lopez starred alongside George Clooney in the crime film "Out of Sight" (1998). <SEP> <P3-S0> Lee Min-ho (, born June 22, 1987) is a South Korean actor and singer. <P3-S1>  He first gained widespread fame in Korea and parts of Asia with his role as Gu Jun-pyo in "Boys Over Flowers" in 2009. <P3-S2>  The role won him a Best New Actor award at the 45th Baeksang Arts Awards. <P3-S3>  He is noted for his leading roles in "City Hunter" (2011), "The Heirs" (2013) and "The Legend of the Blue Sea" (2016). <P3-S4>  The success of Lee's television dramas throughout Asia established him as a top Hallyu star. <P3-S5>  Lee starred in his first leading role in film with "Gangnam Blues" (2015), followed by his first China-produced film "Bounty Hunters" (2016).