instruction:
Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.
question:
Who played detective Virgil Tibbs in the 1967 film 'In the Heat of the Night'?
answer:
sidney poitier

question:
The show Holby City was a spin off from which UK TV series?
answer:
casualty

question:
The company 'Longines' are famous for manufacturing which luxury items?
answer:
watch