instruction:
In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
question:
A man who died after he was hit by a tram in Sheffield has been named by police.
answer:
Sheffield tram death man named as Martin Rigg


question:
Viking invaders in the ninth century arrived in "larger numbers" than previously thought, according to new academic research.
answer:
Yorkshire Museum's Viking exhibition reveals invasion 'in large numbers'


question:
The London Assembly has questioned Boris Johnson for the first time since his re-election.
answer:

Boris Johnson quizzed by London Assembly


