instruction:
In this task, you are given a question. You have to answer the question based on your information.
question:
What host of The Voice UK was in "Doctor Who"?
answer:
Reggie Yates


question:
"Channa Mereya" is a song from an Indian film written and directed by who?
answer:
Karan Johar


question:
Walter Scott of Harden (before 1563 – 1629), also known as Auld Wat, was a notorious Border Reiver, what's the name of the 16th century tower house, about 3.5 mi west of Hawick, Scottish Borders?
answer:
Harden Castle