Question: Barbarella's was a nightclub whose names was taken from a 1968 science fiction film directed by who?

Context paragraphs:
The Green Slime: The Green Slime (ガンマー第3号 宇宙大作戦 , Ganmā Daisan Gō: Uchū Daisakusen ) is a 1968 science fiction film directed by Kinji Fukasaku and produced by Walter Manley and Ivan Reiner.  It was written by William Finger, Tom Rowe and Charles Sinclair from a story by Reiner.  The film was shot in Japan with a Japanese director and film crew, but with the non-Japanese starring cast of Robert Horton, Richard Jaeckel and Luciana Paluzzi.

On a Mission (song): "On a Mission" is a song by Australian singer-songwriter Gabriella Cilmi from her second studio album, "Ten" (2010).  The song was released as the album's lead single in Australia on 5 February 2010 and in the United Kingdom on 7 March 2010.  The song has been praised by music critics for its disco/electronic-oriented sound.  Its accompanying music video was directed by Michael Gracey and is heavily inspired by the 1968 science fiction film "Barbarella".  A remix of the song features American rapper Eve.

Jeff Burton (actor): Jack Jones (March 28, 1924 - January 18, 1988), better known as Jeff Burton, was an American character actor.  He was best known for playing Dodge the astronaut in the 1968 science fiction film "Planet of the Apes".  He also appeared opposite Pam Grier in the 1973 blaxploitation film "Coffy".

The Demon Breed: The Demon Breed is a 1968 science fiction novel by James H. Schmitz, originally serialized in "Analog" in a shorter form as "The Tuvela".  It was first published in paperback in the Ace Science Fiction Specials line, with a Science Fiction Book Club edition following in 1969.  MacDonald & Co. issued a British hardcover the same year, reprinting it as a Futura paperback in 1974.  A Dutch translation, "Des Duivels", appeared in 1971, and a French translation, "Race démoniaque", in 1973.  Ace reissued its edition in 1979 and 1981.  In 2001, Baen Books compiled the novel in its paperback omnibus "The Hub: Dangerous Territory".

The Bamboo Saucer: The Bamboo Saucer is a 1968 science fiction film about competing American and Russian teams that discover a flying saucer in Communist China.  The film was re-released at 90 minutes in 1969 under title "Collision Course".

Barbarella's: Barbarella's was a nightclub and music venue located in Birmingham, England.  The name of the club was taken from the film "Barbarella".  The club opened in 1972 and closed in

Barbarella (film): Barbarella is a 1968 science fiction film directed by Roger Vadim based on the French comic Barbarella.  The film stars Jane Fonda as Barbarella, a representative of the United Earth government in the 41st century sent out to locate the scientist Durand Durand whose positronic ray could end humanity.

Countdown (1968 film): Countdown is a 1968 science fiction film directed by Robert Altman, based on the novel "The Pilgrim Project" by Hank Searls.  It stars James Caan and Robert Duvall as astronauts vying to be the first American to walk on the Moon as part of a crash program to beat the Soviet Union.

They Saved Hitler's Brain: They Saved Hitler's Brain is a 1968 science fiction film that was adapted for television from a shorter 1963 theatrical feature film, Madmen of Mandoras, produced by Carl Edwards and directed by David Bradley.  The film was lengthened by about 20 minutes with additional footage shot by UCLA students at the request of the distributor.

Technologies in 2001: A Space Odyssey: The 1968 science fiction film "" featured numerous fictional future technologies, which have proven prescient in light of subsequent developments around the world.  Before the film's production began, director Stanley Kubrick sought technical advice from over fifty organizations,

Supporting paragraphs: Barbarella's Barbarella (film)
Answer: Roger Vadim