TASK DEFINITION: Generate a correct and concise answer for the question based on the words in the context.
PROBLEM: Context : The Life and Times of a Sentinel (Traditional Chinese: 紫禁驚雷)is a 2011 Hong Kong historical-fiction television drama produced by Television Broadcasts Limited (TVB), with Leung Choi-yuen serving as the executive producer. 
Question : What studio produced The Life and Times of a Sentinel?

SOLUTION: Television Broadcasts Limited

PROBLEM: Context : Power Rangers S.P.D. is an American television series and the thirteenth season of the Power Rangers franchise, based on the Super Sentai series, Tokusou Sentai Dekaranger. 
Question : The Power Rangers S.P.D. is based upon what?

SOLUTION: Tokusou Sentai Dekaranger

PROBLEM: Context : Monster Warriors is an original Canadian television series, which airs on YTV in Canada, and also on Jetix since April 2006 in the United Kingdom. 
Question : Where network aired Monster Warriors?

SOLUTION:
YTV