The Coyote (Spanish: El coyote) is a 1955 Mexican-Spanish western film directed by Joaquín Luis Romero Marchent and Fernando Soler and starring Abel Salazar, Gloria Marín and Manuel Monroy.
 It was followed by a sequel "The Coyote's Justice" in 1956.
The Seven from Texas ( Spanish: "Antes llega la muert" , Italian: "I sette del Texas" , also known as "Seven Guns from Texas" and "Hour of Death") is a 1964 Spanish-Italian western film directed by Joaquín Luis Romero Marchent.
 It was shown as part of a retrospective on Spaghetti Western at the 64th Venice International Film Festival.
Jacques Tati (] ; born Jacques Tatischeff, ] ; 9 October 1907 – 5 November 1982) was a French filmmaker, actor, and screenwriter.
 Throughout his long career, he worked as a comic actor, writer, and director.
 In a poll conducted by "Entertainment Weekly" of the Greatest Movie Directors, Tati was voted the 46th greatest of all time.
 With only six feature-length films to his credit as director, he directed fewer films than any other director on this list of 50.
The Círculo de Escritores Cinematográficos (Cinema Writers Circle) (CEC) is a private non-profit that brings together writers and film critics in Spain in order to create, support and promote cultural activities related to the various facets of film.
 Every year they give awards, with a ceremony, for the best achievements in Spanish film.
 Its fifteen founding members in 1945 were Fernando Viola, Luis Gómez Mesa, Carlos Fernández Cuenca, Joaquín Luis Romero Marchent, Pío García Viñolas, Francisco Hernández Blasco, Adriano del Valle, Pío Ballesteros, Fernando Merelo, José González de Ubieta, Domingo Fernández Barreira, Fernando Méndez Leite, Luis Figuerola, Antonio Barbero and Antonio Crespo, with the primary objective of the "protection and dissemination of film art".
 Notable members of the circle today include Alfonso Sánchez, José María García Escudero, Pascual Cebollada, Rafaela Rodríguez, José Luis Garci, Fernando Méndez Leite, and honorary members have included Ingmar Bergman, Federico Fellini and Cantinflas.
Court of Justice (Spanish: Juzgado permanente) is a 1953 Spanish crime film directed by Joaquín Luis Romero Marchent and starring Marisa de Leza, José María Rodero and Elvira Quintillá.
The Coyote's Justice (Spanish: La justicia del Coyote) is a 1956 Mexican-Spanish western film directed by Joaquín Luis Romero Marchent and starring Abel Salazar, Gloria Marín and Manuel Monroy.
 It was a sequel to the 1955 film "The Coyote".
The Tough One (Spanish: El aventurero de Guaynas) is a 1966 Spanish/Italian spaghetti Western directed by Joaquín Luis Romero Marchent and starring John Richardson.
Ballad of a Bounty Hunter (also known as Fedra West and I Do Not Forgive... I Kill!)
 is a 1968 Spanish western film directed by Joaquín Luis Romero Marchent and distributed by Troma Entertainment.
Sister Angelica (Spanish: Sor Angélica) is a 1954 Spanish drama film directed by Joaquín Luis Romero Marchent and starring Tilda Thamar, Marion Mitchell and Barta Barri.
Joaquín Luis Romero Marchent (1921–2012) was a Spanish screenwriter and film director.
 He directed several spaghetti westerns during the 1960s.

Question: Are Jacques Tati and Joaquín Luis Romero Marchent both screenwriters?
Answer: yes