Question: On which semi-autobiographical film is based the 2009 romantic musical drama, which features an ensemble cast including the English actress who made her debut with the Old Vic Company?
Related documents: [0]  [DOC] Dame Judith Olivia "Judi" Dench, {'1': ", '2': ", '3': ", '4': "} (born 9 December 1934) is an English actress and author. Dench made her professional debut in 1957 with the Old Vic Company. Over the following few years, she performed in several of Shakespeare's plays in such roles as Ophelia in "Hamlet", Juliet in "Romeo and Juliet", and Lady Macbeth in "Macbeth". Although most of her work during this period was in theatre, she also branched into film work and won a BAFTA Award as Most Promising Newcomer. She drew strong reviews for her leading role in the musical "Cabaret" in 1968. [END] 
[1]  [DOC] Nine is a 2009 romantic musical drama film directed and produced by Rob Marshall and written by Michael Tolkin and Anthony Minghella. The film is an adaptation of the 1982 musical of the same name, which in turn is based on Federico Fellini's semi-autobiographical 1963 film "8½". In addition to songs from the stage musical, all written by Maury Yeston, the film has three original songs, also written by Yeston. The ensemble principal cast consists of Daniel Day-Lewis, Marion Cotillard, Penélope Cruz, Judi Dench, Fergie, Kate Hudson, Nicole Kidman, and Sophia Loren. [END] 
Answer: 
8½
8½