TASK DEFINITION: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
PROBLEM: Context : Running the Halls is an American television sitcom that aired on NBC's TNBC Saturday morning lineup. 
Answer : NBC

SOLUTION: What is the original channel that Running the Halls played on?

PROBLEM: Context : CMT Top 12 Countdown was a music video show that aired on Country Music Television (CMT) that debuted in 1994 and ended in December 2001 in favor for the longer Top 20 Countdown. 
Answer : Country Music Television

SOLUTION: Which network is CMT Top 12 Countdown available on?

PROBLEM: Context : The Mystical Nativity is a painting of circa 1500--1501 by the Italian Renaissance master Sandro Botticelli, in the National Gallery in London. 
Answer : National Gallery

SOLUTION:
What is the name of the place where The Mystical Nativity can be found?