Answer the following question: Information:  - Herbert William "Bob" Compton Bennett (15 January 1900  11 August 1974), better known as Compton Bennett, was an English film director, writer and producer. He is perhaps best known for directing the 1945 film "The Seventh Veil" and the 1950 version of the film "King Solomon's Mines", an adaptation of an Allan Quatermain story.  - The Seventh Veil is a 1945 British melodrama film made by Ortus Films (a company established by producer Sydney Box) and released through General Film Distributors in the UK and Universal Pictures in the United States. It is about a woman who attempts suicide to escape a man's cruelties.  - Allan Quatermain is the protagonist of H. Rider Haggard's 1885 novel "King Solomon's Mines" and its sequels. "Allan Quatermain" was also the title of a book in this sequence.  - The Years Between ( 1946 ) is a British film directed by Compton Bennett and starring Michael Redgrave , Valerie Hobson and Flora Robson in an adaptation of The Years Between by Daphne du Maurier .    Given the paragraphs above, decide what entity has the relation 'producer' with 'sydney box'.
Answer:
the years between