Please answer the following question: I am a movie director and I just received the following movie plot. Could you help me answer this question? If not, let me know by writing "Not answerable". Plot title: Burlesque Movie plot: In the opening scene, set in a rundown small Iowa town in the middle of nowhere, Ali Rose (Christina Aguilera) is a young waitress working in a seedy restaurant. Frustrated by her sexist boss's refusal to pay her, she packs up her belongings and performs "Something's Got A Hold On Me", shortly followed by her journey to Los Angeles to begin a new life for herself as a professional singer.Once in Los Angeles, Ali begins searching for places to audition, failing at every attempt. Walking during the night, she follows the sound of music into a building, having unknowingly arrived at a Burlesque club, where Tess (Cher) and the dancers perform "Welcome to Burlesque." Once inside, Ali meets Jack (Cam Gigandet) one of the bartenders, as well as the ticket till guy Alexis (Alan Cumming). Intrigued by the exotic dances, Ali decides to pursue a career on stage. Jack refers her to Tess for an audition, in which Ali is rejected instantly and ushered out by Sean (Stanley Tucci) the costumer for the dancers. Instead of leaving, Ali begins serving customers at the club as a waitress, while Tess and Sean observe with Jack asking Tess to give Ali a chance. Tess reluctantly hires Ali to work as a waitress.After returning to her apartment after work a few days later, Ali finds it in disarray having been broken into and that her money and all her belongings have been stolen. She shows up at Jack's apartment in the pouring rain and he agrees to let her stay with him for a few nights.One night at the club, Ali, attempts to talk to Tess and tell her she finds lip-synching limiting, but Ali is told that the customers prefer it that way. When one of the dancers, Georgia (Julianne Hough) becomes pregnant, auditions are held to replace her. Ali begins her audition when everyone leaves, and after performing to "Wagon Wheel Watusi", persuades Tess to allow her to become one of the club's dancers, much to the lead dancer Nikki's (Kristen Bell) annoyance. When Nikki appears drunk, Tess orders Ali to take her place. Behind the scenes, Tess... My question: Who is the director of the movie ?
A:
Frank Bannister