Title: Into the Unknown: Making Frozen II
Content: Chris Buck, director ; Jennifer Lee, screenwriter and director ; Kristen Anderson-Lopez, songwriter ; Robert "Bobby" Lopez, songwriter ; Peter Del Vecho, producer ; Michael Giaimo, production designer ; Malerie Walters, animator ; David Metzger, song arranger and orchestrator, score orchestrator 
Title: Frozen (franchise)
Content:  Frozen is a Disney media franchise, beginning with the 2013 American animated feature film of the same name, which was directed by Chris Buck and Jennifer Lee, screenplay by Lee and produced by Peter Del Vecho, music score by Christophe Beck, and songs written by Robert Lopez and Kristen Anderson-Lopez. John Lasseter, then-chief creative officer of Walt Disney Animation Studios, served as the film's executive producer. The original film was inspired by Hans Christian Andersen's fairy tale, "The Snow Queen". Since the film's release in November 2013, the franchise has expanded very rapidly. To date, the franchise includes various Disney theme park attractions, merchandise, video games, books, a Disney on Ice show, a Broadway stage musical and two short animated films. Disney has also released an animated film sequel, and a new book series. In November 2014, TheStreet.com explained that "Frozen is no longer a movie, it's a global brand, a larger than life franchise built around products, theme parks and sequels that could last into the next century". Boxoffice chief analyst Phil Contrino was quoted as saying "it's become massive".
Title: Frozen (franchise)
Content:  The 58th animated film produced by the studio. On March 12, 2015, at Disney's annual meeting of shareholders in San Francisco, Iger, Lasseter, and actor Josh Gad (the voice of Olaf) officially announced that Frozen 2 was in development at Disney, with Buck and Lee returning as directors and Del Vecho returning as producer. Lasseter explained that at Disney Animation, "as with Pixar, when we do a sequel, it is because the filmmakers who created the original have created an idea that is so good that it's worthy of these characters." In the case of Frozen, the directors had "come up with a great idea for a sequel and you will be hearing 
Title: Jennifer Lee (filmmaker)
Content:  much longer commitment. First, she was asked to stay on until Ralph was finished. She then became involved with Frozen, initially as screenwriter and later as co-director with Chris Buck. When Lee was brought on board, she helped transition the film from an action-adventure to "more musical, with more comedy." She worked closely with the songwriters (Robert Lopez and Kristen Anderson-Lopez) in the writing of the script. Frozen gave her the opportunity to celebrate "wild and wonderful" girls like her childhood self, and her daughter, Agatha. It was also the highest-earning film with a female director in terms of domestic earnings, until surpassed by Warner Bros.' 
Title: Jennifer Lee (filmmaker)
Content:  Jennifer Michelle Lee (née Rebecchi; October 22, 1971) is an American screenwriter, film director, and chief creative officer of Walt Disney Animation Studios. She is best known as the writer and director of Frozen and its sequel Frozen II, the former of which earned her an Academy Award for Best Animated Feature. Lee is the first female director of a Walt Disney Animation Studios feature film and the first female director of a feature film that earned more than $1 billion in gross box office revenue. She has won one Academy Award, BAFTA Award and Annie Award, and has been nominated for one BAFTA Award and two Annie Awards.
Title: Frozen (2010 American film)
Content:  Frozen is a 2010 American survival film written and directed by Adam Green. It stars Emma Bell, Shawn Ashmore and Kevin Zegers as three friends stranded in a chairlift after a day of skiing, forced to make life-or-death choices in order to avoid freezing to death, while also trying to survive being killed by a hungry pack of wolves.
Title: Frozen II
Content:  Frozen II is a 2019 American computer-animated musical fantasy film produced by Walt Disney Animation Studios, the 58th Disney animated film and the sequel to Frozen (2013). Directed by Chris Buck and Jennifer Lee, written by Lee, and produced by Peter Del Vecho, the film stars Kristen Bell, Idina Menzel, Josh Gad, and Jonathan Groff. Set three years after the first film, Frozen II follows sisters Anna and Elsa, Kristoff (an iceman), his reindeer Sven, and the snowman Olaf as they travel to an enchanted forest to unravel the origin of Elsa's magical power. The film was green-lit in March 2015 after a company debate about whether it would be perceived as inferior to the original. It used more-complex, enhanced animation technology than Frozen, and was an interdepartmental collaboration. Kristen Anderson-Lopez and Robert Lopez return as songwriters, and Christophe Beck again composed the 
Title: Frozen (2013 film)
Content:  On December 22, 2011, following the success of Tangled, Disney announced a new title for the film, Frozen, and a release date of November 27, 2013. A month later, it was confirmed that the film would be a computer-animated feature in stereoscopic 3D, instead of the originally intended hand-drawn animation due to complex elements in the script regarding strong visuals. Kristen Anderson-Lopez and Robert Lopez joined the project and started writing songs for Frozen in January 2012. On March 5, 2012, it was announced that Buck would be directing, with Lasseter and Peter Del Vecho producing. After Disney decided to advance The Snow Queen into development again, one of the main challenges Buck and Del Vecho faced was the character of the Snow Queen, who was then a villain 
Title: List of accolades received by Frozen (2013 film)
Content:  Frozen is a 2013 American computer-animated film produced by Walt Disney Animation Studios and released by Walt Disney Pictures. It was directed by Chris Buck and Jennifer Lee, the latter of whom also wrote the screenplay, and was produced by Peter Del Vecho. The film focuses on Anna, a princess who sets off on a journey to find her estranged sister, Elsa, whose icy powers have inadvertently trapped their kingdom in eternal winter. The film premiered at the El Capitan Theatre in Hollywood, California, on November 19, 2013, before going into wide release on November 27 in over 3,700 theatres in the United States and Canada. It debuted in second place, earning more than $67 million. The film grossed a worldwide total 
Title: Frozen (2007 film)
Content:  Frozen is a 2007 black-and-white Indian drama film directed by Shivajee Chandrabhushan. The original screenplay written by Shanker Raman, based on a story by Chandrabhushan and starring Danny Denzongpa, Gauri, and Skalzang Angchuk. The film was shot entirely on location at Ladakh, India. It was featured at the various international film festivals, including the 2007 London Film Festival and Dubai International Film Festival, and was the official selection at 2007 Toronto International Film Festival and 2008 San Francisco International Film Festival, and Palm Springs International Film Festival. At the annual National Film Awards, it was awarded the 2007 Indira Gandhi Award for Best Debut Film of a Director.

Question: Who was the director of Frozen?
Answer: Derek Kwok.
Derek Kwok Chi-Kin.
Chi-kin Kwok.