Question: Who wrote the novel that a movie from 1969 is based on which was directed by the same director who also directed the movies "missing" and "Hanna K."?

<P0-S0> Costa-Gavras (short for Konstantinos Gavras; Κωνσταντίνος Γαβράς; born 12 February 1933) is a Greek-French film director and producer, who lives and works in France. <P0-S1>  He is known for films with overt political themes, most famously the fast-paced thriller "Z" (1969), but he has also made comedies. <P0-S2>  Most of his movies have been made in French; however, six were made in English: "Missing" (1982), "Hanna K." (1983), "Betrayed" (1988), "Music Box" (1989), "Mad City" (1997) and "Amen. <P0-S3> " (2002). <P0-S4>  He produces most of his films himself, through his production company K.G. Productions. <SEP> <P1-S0> B. Vithalacharya or B. Vittalacharya (18 January 1920 – 28 May 1999) was an Indian film director and producer known for his works in Telugu cinema, and Kannada cinema. <P1-S1>  He was known as Jaanapada Brahma in the Telugu film arena. <P1-S2>  Vittalacharya formed his film production company "Vittal Productions," which produced and the first film directed by him, "Rajya Lakshmi". <P1-S3>  In 1954, he produced and directed "Kanyadhanam," a revolutionary film for that time. <P1-S4>  Wishing to remake the same in Telugu, he moved to Madras and settled there till his death. <P1-S5>  After making two more Kannada movies, he concentrated on producing and directing only Telugu and Tamil movies. <P1-S6>  He also directed movies for other producers. <P1-S7>  He directed a total of 19 movies of Sri. <P1-S8>  N. T. Rama Rao, the leading hero of Andhra Pradesh at that time. <P1-S9>  Though he did not get any awards, most of his films were box office successes and he was fondly called "Jaanapada Brahma" and "Maayaajala Mannan" by his fans. <P1-S10>  He was well known for the visual effects shown in most of his movies. <SEP> <P2-S0> Pokkuveyil is a Malayalam Indian Soap Opera Malayalam serial started on March 1, 2016. <P2-S1>  Malayalam actress Sruthi Lakshmi, who made her debut as a child artist through the serial "Nizhalukal, " makes her comeback to Malayalam serial industry playing the female lead along with actor Krishna. <P2-S2>  Its story is adapted from the novel in Vanitha "Innalayo Inno" written by K. K. Sudhakaran. <P2-S3>  The series is directed by K. K. Rajeev. <P2-S4>  It is airing in "FLOWERS TV" from Mondays to Thursdays at 9:00pm IST. <P2-S5>  It replaced FLOWERS TV's popular crime thriller "Eshwaran Sakshiyayi", which was also directed by K. K. Rajeev with Prem Prakash, Divya Prabha and Reena in the lead roles. <SEP> <P3-S0> Z is a 1969 Algerian-French epic political thriller film directed by Costa-Gavras, with a screenplay by Gavras and Jorge Semprún, based on the 1966 novel of the same name by Vassilis Vassilikos. <P3-S1>  The film presents a thinly fictionalized account of the events surrounding the assassination of democratic Greek politician Grigoris Lambrakis in 1963. <P3-S2>  With its satirical view of Greek politics, its dark sense of humor, and its downbeat ending, the film captures the outrage about the military dictatorship that ruled Greece at the time of its making.