Question: Who directed the British musical comedy film that starred the singer who reached number one with "Singing the Blues" in 1957?
Context: Twenty Ten is a two-disc retrospective album by Australian singer and songwriter Guy Sebastian.  Disc one contains 18 songs from his previous five albums and two new songs, including the lead single "Who's That Girl" which features American rapper Eve.  Disc two has acoustic versions of ten of the songs.  The album was released in Australia on 19 November 2010 and reached number four on the ARIA Album Chart, Sebastian's sixth consecutive top ten album.  It was certified platinum in its fourth week of release and was the fifth highest selling Australian artist album of 2010.  It reached 2× platinum certification in 2014.  "Who's That Girl" reached number one on the ARIA Singles Chart and achieved 5× platinum certification, and was Sebastian's fifth of six number one singles in Australia.  It won the Highest Selling Single ARIA Award in 2011, and received nominations for Single of the Year and Best Pop Release.  Sebastian was also nominated as Most Popular Australian Artist.  "Who's That Girl" also reached number one and Platinum certification in New Zealand. <ref name="Latest Gold/Platinum Singles"> .  RadioScope New Zealand.  Archived from the original on 24 July 2011.  Retrieved 15 January 2012. </ref> "You Keep Me Hangin' On" is a 1966 song written and composed by Holland–Dozier–Holland.  It first became a popular "Billboard" Hot 100 number one hit for the American Motown group The Supremes in late 1966.  The rock band Vanilla Fudge covered the song a year later and had a top ten hit with their version.  British pop singer Kim Wilde covered "You Keep Me Hangin' On" in 1986, bumping it back to number one on the "Billboard" Hot 100 in June 1987.  The single reached number one by two different musical acts in America.  In the first 32 years of the "Billboard" Hot 100 rock era, “You Keep Me Hangin' On” became one of only six songs to achieve this feat.  In 1996, country music singer Reba McEntire's version reached number 2 on the US "Billboard" Hot Dance Club Play chart. Tommy the Toreador is a 1959 British musical comedy film directed by John Paddy Carstairs and starring Tommy Steele, Janet Munro, Sid James, Bernard Cribbins, Noell Purcell and Kenneth Williams.  A British ship docks in Spain and Tommy, a sailor from London tries his hand as a bullfighter.  Along the way he finds time to sing "Tommy the Toreador" and "Little White Bull" (Lionel Bart, Michael Pratt, Jimmy Bennett). White Town is a British musical act and is a solo project of Jyoti Prakash Mishra.  His song "Your Woman" reached number one in the UK Singles Chart in January 1997.  It also peaked at number one in Spain, as well as number two in Australia, number four in Canada, Denmark and Finland and number 23 in the United States.  With no significant follow-up successes to "Your Woman", White Town became a one-hit wonder; Mishra commented that such a status is "better than being a no-hit wonder". Calling All Stars is a 1937 British musical comedy film directed by Herbert Smith and starring Arthur Askey, Evelyn Dall and Max Bacon.  The film is a revue, featuring a number of musical acts playing themselves.  It was made at Beaconsfield Studios for release as a quota quickie.  The film's art direction is by Norman G. Arnold. Sporting Love is a 1936 British musical comedy film directed by J. Elder Wills and starring Stanley Lupino, Laddie Cliff and Lu Ann Meredith.  It was made at Beaconsfield Studios.  It was based on the musical "Sporting Life" which Stanley Lupino had written and starred in.  Lupino had broken with British International Pictures to make a couple of independent films, but after this he returned to BIP. The Singing Cop is a 1938 British musical comedy spy drama, directed by Arthur B. Woods and starring singer Keith Falkner and Chili Bouchier.  The film was a quota quickie production, based on a short story by Kenneth Leslie-Smith.  "The Singing Cop" is now classed as a lost film. The Lambeth Walk is a 1939 British musical comedy film directed by Albert de Courville and starring Lupino Lane, Sally Gray and Seymour Hicks.  It was an adaptation of the 1937 musical "Me and My Girl", and was released under that title in the U.S.  The film takes its British title from the play's best known song "The Lambeth Walk".  The star of the musical, Lupino Lane, reprised his lead role in the film. Meet the Navy is a 1946 British musical comedy film based on the Canadian musical revue "Meet the Navy".  Filmed in England in November 1945, it was directed by Alfred Travers and produced by British National Films.  It starred Lionel Murton, Margaret Hurst and John Pratt.  A musical troupe entertain sailors from the Royal Canadian Navy during the Second World War, and the film shows their personal history and experiences.  The film concludes with a Technicolor sequence, with the cast involved in a Royal Command Performance, featuring a young Princess Elizabeth. Tommy Steele OBE (born Thomas William Hicks, 17 December 1936) and better known as Tommy Steele is an English entertainer, regarded as Britain's first teen idol and rock and roll star.  He reached number one with "Singing the Blues" in 1957, and "The Tommy Steele Story" was the first album by a UK act to reach number one.
Answer: John Paddy Carstairs