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."?

Context paragraphs:
Romeo Ranjha: Romeo Ranjha is a 2014 Punjabi language Indian action comedy film Starring Jazzy B and Garry Sandhu written by Dheeraj Ratan, directed by Navaniat Singh, who also directed Singh vs Kaur.  Romeo Ranjha is produced by Gunbir Singh Sidhu and Manmord Sidhu with Hansraj Railhan as Co-Producer.  Allan amin one of the most acclaimed action director of Bollywood who also directed the action in Dhoom, Race etc.  Was roped in to Direct the action sequences for the movie.The film was first of its kind in terms of action sequences in "Punjabi film industry" with all the 36th floor jumping sequence and the car blast and the chase scenes for the first time in a Punjabi movie.  In spite of many loopholes in the story and overall movie it got Navaniat Singh praise for his "Brave Attempt " and established him as a trendsetting director of Punjabi film industry.

B. Vittalacharya: 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.  He was known as Jaanapada Brahma in the Telugu film arena.  Vittalacharya formed his film production company "Vittal Productions," which produced and the first film directed by him, "Rajya Lakshmi".  In 1954, he produced and directed "Kanyadhanam," a revolutionary film for that time.  Wishing to remake the same in Telugu, he moved to Madras and settled there till his death.  After making two more Kannada movies, he concentrated on producing and directing only Telugu and Tamil movies.  He also directed movies for other producers.  He directed a total of 19 movies of Sri.  N. T. Rama Rao, the leading hero of Andhra Pradesh at that time.  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.  He was well known for the visual effects shown in most of his movies.

Z (1969 film): 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.  The film presents a thinly fictionalized account of the events surrounding the assassination of democratic Greek politician Grigoris Lambrakis in 1963.  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.

Sri Venkateswara Cine Chitra: In 2003 SVCC started their production career with the movie "Ee Abbai Chala Manchodu", directed by "Agathiyan", starring "Ravi Teja", "Sangeetha Krish" and Vani.  After a gap of a year, SVCC produced one of the biggest blockbuster hits of Tollywood, "Chatrapathi", directed by "S. S. Rajamouli" starring "Prabhas" and "Shriya Saran".  SVCC uniquely paired in alternate movies with "Ravi Teja" and "Prabhas" for their next two movies, "Khatarnak" starring "Ileana D'Cruz" and "Kajal Aggarwal".  The production house gained its popularity, by selectiong new scripts always. " Darling" starring "Prabhas" was their third film together and this was also a hit at the box office.  This was the second movie with "Kajal Aggarwal".  They paved way to many other huge movies like, "Devudu Chesina Manushulu", "Ongole Gitta" etc..  They made some movies like "Sahasam", starring "Gopichand", "Taapsee Pannu", which was an action based historic film and it also created a new dimension for Gopichand's career. " Attarintiki Daredi" starring "Pawan Kalyan", "Samantha Ruth Prabhu" and "Pranitha Subhash" is again a huge hit yet again at the box office.  The movie was written and directed by the ace director "Trivikram Srinivas".  Their films made their way to box office in the perfect way, "Dohchay","Nannaku Prematho" were also great at box office.  The production house tries=d a new genre Comedy, starring "Allari Naresh", "Kruthika Jayakumar" directed by "G. Nageswara Reddy".  Their latest film "Radha", with "Sharwanand" and "Lavanya Tripathi" is again a flag bearing hit movie at box office.

Hanna K. Korany: Hanna K. Korany (1871-1898), also seen as Hanna Kurani, was a Syrian writer.  From 1893 to 1895 she toured the United States, speaking on women's lives in Syria.

A. B. Raj: Antony Basker Raj (born 21 April 1925), also known as A. B. Raj, is an Indian director of Malayalam movies.  Since 1951 to 1960, he directed ten Singalese movies followed by directing 65 Malayalam movies from 1963 till 1984.  He has also directed two Tamil movies.  He is the father of National Award-winning actress Saranya Ponvannan.  She was a leading actress in tamil cinema.  A. B. Raj is the Second Unit Assistant Director of The Bridge on the River Kwai by David Lean

Dr. Balakrishnan: Dr. Balakrishnan is an Indian film script writer, lyricist, director and producer in Malayalam movies.  He did script, story and dialogue for more than 50 movies.  He has also directed and produced around 10 movies.  His debut movie is "Thalirukal" in 1965.  Renowned film director Satyan Anthikad started film career working as his assistant.

Costa-Gavras: 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.  He is known for films with overt political themes, most famously the fast-paced thriller "Z" (1969), but he has also made comedies.  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. " (2002).  He produces most of his films himself, through his production company K.G. Productions.

Pokkuveyil (TV series): Pokkuveyil is a Malayalam Indian Soap Opera Malayalam serial started on March 1, 2016.  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.  Its story is adapted from the novel in Vanitha "Innalayo Inno" written by K. K. Sudhakaran.  The series is directed by K. K. Rajeev.  It is airing in "FLOWERS TV" from Mondays to Thursdays at 9:00pm IST.  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.

Annadammula Savaal: Annadammula Savaal (Telugu: అన్నదమ్ముల సవాల్ ) is a 1978 Telugu Drama film starring Krishna, Rajinikanth, Jayachitra and Chandrakala in the lead roles.  It was a remake of the 1977 Kannada film "Sahodarara Savaal" which starred Vishnuvardhan and Rajinikanth also directed by K.S.R Das, which was dubbed into Tamil as "Sahodara Sapatham".  The music director of both the movies was Chellapilla Satyam.  The tune of Kannada song "Hey Nanagaagiye" was retained for the Telugu version "Naakosame Neevunnadhi ".  Also the song "Nee Roopame" which comes in place of "O Nallane Savi Mathonda" was later used by Chellapilla Satyam for the 1979 Kannada movie Seetharamu as "Ee Roopave Nannee Baalina".

Supporting paragraphs: Costa-Gavras Z (1969 film)
Answer: Vassilis Vassilikos