In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.

Context: In 1988 he returned to San Francisco Link Information: none Answer: none
Was the crime rate in London higher than San Francisco the year Mitchison returned to San Francisco?

Context: Bronze examples of the Assyrian design are kept in the British Museum Link Information: The British Museum, in the Bloomsbury area of London, United Kingdom, Answer: London, United Kingdom
What city is the museum located where Bronze examples of the Assyrian design are kept?

Context: It lies at the confluence of the Saluda River and the Broad River, which merge at Columbia to form the Congaree River. Link Information: The Saluda River is a principal tributary of the Congaree River, about 200 mi (320 km) long Answer: The Broad

Is the Broad or Saluda river longer?