Question: In what year was Anna Bergman's father born?
Context: Ernst Ingmar Bergman (] ; 14 July 1918 – 30 July 2007) was a Swedish director, writer, and producer who worked in film, television, theatre and radio.  He is recognized as one of the most accomplished and influential filmmakers of all time, and is most famous for films such as "The Seventh Seal" (1957), "Wild Strawberries" (1957), "Persona" (1966), "Cries and Whispers" (1972) and "Fanny and Alexander" (1982).  Also well-regarded are works such as "Winter Light" (1963), "The Silence" (1963), and "Scenes from a Marriage" (1973). Chanelle Scott Calica (born 25 December 1983), better known by her stage name Shystie, is an English rapper-songwriter and actress.  Her mother was born and raised in Barbados and her father born and raised in Grenada, making her heritage West-Indian.  She grew up in Hackney, East London.  Shystie started gaining fame in 2003 with her white label response to Dizzee Rascal's "I Luv U" and a tour with Basement Jaxx, The Streets and 50 Cent, which led to her being signed by major label Polydor.  She is also the leading actress in the television series "Dubplate Drama". Jonathan (Johnny) Charles David Sandelson (born 1968) is a British property developer and an investor in The Strategic Iconic Assets Heritage Acquisition Fund (SIAHAF).  Sandelson is one of the principals behind the recent acquisition of large parts of the Queensway district of West London.  He was said to have masterminded the acquisition of Whiteleys and is continuing in partnership with Meyer Bergman on the development of a number of buildings within the Queensway Estate.  Sandelson's previous projects include the Carlyon Bay redevelopment project in St Austell, Cornwall; the acquisition and redevelopment of Somerset Place in Bath where, over 5 years, he oversaw the restoration and redevelopment of a Georgian crescent of houses and apartments, all Grade 1 listed properties; and the HBOS-backed hotel investment brand GuestInvest which was a high profile casualty of the downturn in the UK commercial property market in 2007.  In 2015, also in partnership with Meyer Bergman and advised by Savills, Sandelson completed the £250m Project Soya portfolio of sites in Tolworth, Woolwich and Kensington which was recognised as Deal of the Year in the 2016 RESI awards. Anna Herdenstam (born Anna Magnusson; 1965 in Malmö) is a Swedish model, journalist and television host that works for TV4 in Sweden.  She has been a news anchor for TV4 Nyheterna.  Along with Olle Bergman she in 2000 wrote the book "Den lilla sorgen: en bok om missfall".  Herdenstam married actor Måns Herngren in 1988, and in 2007 married her current husband and changed her last name from Normelli which she had at the time to Herdenstam. Lena Bergman (born 21 December 1943) is a Swedish social services employee and actress.  She is the daughter of Ingmar Bergman and Else Fisher and was born in Stockholm, Sweden.  In her youth, she appeared as an extra in three of her father's films. George Mark Bergman, born on 22 July 1943 in Brooklyn, New York, is an American mathematician.  He attended Stuyvesant High School in New York City and received his PhD from Harvard in 1968, under the direction of John Tate.  The year before he had been appointed Assistant Professor of mathematics at the University of California, Berkeley, where he has taught ever since, being promoted to Associate Professor in 1974 and to Professor in 1978.  His primary research area is algebra, in particular associative rings, universal algebra, category theory and the construction of counterexamples.  Mathematical logic is an additional research area.  Bergman officially retired in 2009, but is still teaching.  His interests beyond mathematics include subjects as diverse as third-party politics and the works of James Joyce. Anna Helena Olsdotter Arnmar, born "Bergman" on 22 June 1963 in Sundbyberg Municipality, Sweden, is a Swedish television journalist and presenter. Anna Bergman (born 5 May 1948 in Gothenburg, Sweden) is a former Swedish actress.  She is the daughter of film and theatre director Ingmar Bergman and choreographer-director Ellen Lundström, sister to Eva, Jan, and Mats Bergman (twin); and half-sister to Daniel Bergman and Linn Ullmann. Anna Quirentia Nilsson (March 30, 1888 – February 11, 1974) was a Swedish born American actress who achieved success in American silent movies.  She predates fellow Swedish born stars Greta Garbo and Ingrid Bergman. Anne-Grete Rendtorff (born 1947) is a Danish singer, who was most popular in the 1980s.  She was a member of Van Dango in the period 1975-1981.  In 1980 she launched her solo career.  Anne-Grete is probably best known for the song "Vintertur på strøget", which is a cover of "Complainte pour Ste-Catherine" by Kate & Anna McGarrigle.  This song is also covered by Marie Bergman: "Ingen kommer undan politiken".
Answer: 1918