Context: BBC Japan was a general entertainment channel, which operated between December 2004 and April 2006. It ceased operations after its Japanese distributor folded.

Question: When did BBC Japan begin broadcasting?
Answer: December 2004

Question: When did BBC Japan shut down?
Answer: April 2006

Question: What was the genre of BBC Japan?
Answer: general entertainment

Question: What was BBC Japanese considered? 
Answer: Unanswerable

Question: What folded after a Japanese distributor ceased?
Answer: Unanswerable

Question: What ran from April 2004 until December 2006?
Answer: Unanswerable