Question: Walang Hanggan, is a classic Philippine romantic drama television series loosely based on the 1991 Gomez-Zulueta film "Hihintayin Kita Sa Langit", a film based on the Emily Brontë novel, "Wuthering Heights", published in which year?
Context: Jacqueline Lourdes Blanco-Davao (born February 11, 1964) is a Filipina actress and aerobic instructor of Filipino descent.  During the 1980s and the 1990s, she appeared in different film genres including "Hihintayin Kita sa Langit", (1991), "Si Aida, Si Lorna, o Si Fe", (1989) "Misis mo, Misis ko", (1988) and "Palabra de honor" (1983). Wuthering Heights is a 1939 American drama romance film directed by William Wyler and produced by Samuel Goldwyn.  It is based on the novel, "Wuthering Heights" by Emily Brontë.  The film depicts only sixteen of the novel's thirty-four chapters, eliminating the second generation of characters.  The novel was adapted for the screen by Charles MacArthur, Ben Hecht and John Huston.  The film won the 1939 New York Film Critics Award for Best Film.  It earned nominations for eight Academy Awards, including for Best Picture and Best Actor in what many consider Hollywood's greatest single year.  The 1940 Academy Award for Best Cinematography, black-and-white category, was awarded to Gregg Toland for his work.  Nominated for original score (but losing to The Wizard of Oz) was the prolific film composer, Alfred Newman, whose poignant "Cathy's Theme" does so much "to maintain its life as a masterpiece of romantic filmmaking." Emily Brontë's Wuthering Heights is a 1992 feature film adaptation of Emily Brontë's novel "Wuthering Heights" directed by Peter Kosminsky. Wuthering Heights is a 1970 film directed by Robert Fuest.  It is based on the classic Emily Brontë novel of the same name.  Like the 1939 version, this film depicts only the first sixteen chapters concluding with Catherine Earnshaw Linton's death and omits the trials of her daughter, Hindley's son, and Heathcliff's son. A Beautiful Affair is a 2012 Philippine romantic melodrama television series starring Bea Alonzo and John Lloyd Cruz.  The series was aired on ABS-CBN and worldwide on TFC from October 29, 2012 to January 18, 2013, succeeding "Walang Hanggan".  The drama revolves around two lost souls who meet and fall in love in the city of Vienna in Austria. Walang Hanggan (Lit: "Boundless" / English: "My Eternal") is a classic Philippine romantic drama television series loosely based on the 1991 Gomez-Zulueta film "Hihintayin Kita Sa Langit", a film based on the Emily Brontë novel, "Wuthering Heights".  Directed by Jerry Lopez Sineneng and Trina N. Dayrit, it is topbilled by Coco Martin, Julia Montes, Richard Gomez, and Dawn Zulueta, together with an ensemble cast.  The series was premiered on ABS-CBN and worldwide on The Filipino Channel on January 16, 2012, replacing "Nasaan Ka Elisa? ".  The drama became a huge hit maintaining the top spot in viewer ratings for most of its run, with its final episode on October 26, 2012 attaining its highest rating of 45.4% nationwide. Wuthering Heights is Emily Brontë's only novel.  Written between October 1845 and June 1846, "Wuthering Heights" was published in 1847 under the pseudonym "Ellis Bell"; Brontë died the following year, aged 30.  "Wuthering Heights" and Anne Brontë's "Agnes Grey" were accepted by publisher Thomas Newby before the success of their sister Charlotte's novel, "Jane Eyre".  After Emily's death, Charlotte edited the manuscript of "Wuthering Heights", and arranged for the edited version to be published as a posthumous second edition in 1850. Reyna Films was a Filipino film production company managed by Armida Siguion-Reyna and her son Carlitos Siguion-Reyna in 1991.  It was known for its critically acclaimed and award-winning films such as "Hihintayin Kita sa Langit" and "Ligaya Ang Itawag Mo Sa Akin".  Reyna Films produced 12 films from 1991 to 2000.  Armida Siguion-Reyna also appeared as actress, aside from being a producer, in three of her productions: "Ikaw Pa Lang Ang Minahal", "Inagaw Mo ang Lahat sa Akin" and "Ligaya Ang Itawag Mo Sa Akin".  The company has been defunct since 2000, after Azucena. Wuthering Heights is a 1998 British television film directed by David Skynner and produced by Jo Wright.  It is based on the novel "Wuthering Heights" by Emily Brontë.  The novel was adapted for the screen by Neil McKay.  The film was released by ITV on 5 April 1998 in the United Kingdom and released by WGBH-TV on 18 October 1998 in the United States. Wuthering Heights is a 2011 British romantic gothic, period drama film directed by Andrea Arnold and starring Kaya Scodelario as Catherine and James Howson as Heathcliff.  The screenplay, written by Andrea Arnold and Olivia Hetreed, is based on Emily Brontë's 1847 "Wuthering Heights".
Answer: 1847