TASK DEFINITION: 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.
PROBLEM: Context: In 1988 he returned to San Francisco Link Information: none Answer: none

SOLUTION: Was the crime rate in London higher than San Francisco the year Mitchison returned to San Francisco?

PROBLEM: Context: New signing Leon Best was then selected ahead of Løvenkrands for the fixture at St James' Park against Cardiff City. Link Information: Southampton Answer: 10

SOLUTION: How many teams has the player selected ahead of Løvenkrands for the fixture at St James' Park against Cardiff City played for?

PROBLEM: Context: BBC One and the BBC Television Service have provided variations in the English regions throughout most of their history Link Information: BBC Two has in the past broadcast variations within the English regions, though now only has variations for Wales and Northern Ireland (BBC Two has ended the channel's Scottish variation on 17 February 2019 to give way to its new BBC Scotland channel that would launch a week afterwards). Answer: 28

SOLUTION:
For how many years did BBC One operate without BBC Two?