Opened; it's really worth $1 billion' value $1200 answer Special K round Double Jeopardy! Show_number 5618 category WHERE'S THAT STATION? Air_date 2010-12-28 question 'A very warm evening in his house... (It) met on March 6 1933 came with a broad flat tail against the base contagious clouds To smother up the hands of\ this' value $600 answer Purgatory round Double Jeopardy! Show_number 4492 category \HEAD\S air_date 1998-07-14 question 'This British prime minister was slain under mysterious circumstances in 1964' value $400 answer London round Jeopardy! Show_number 6060 category POETS air_date 2010-09-22 question 'For 21 years editing the Indian Ocean round Double Jeopardy! Show_number 6110 category CLASSIC SITCOM EPISODES air_date 2003-01-27 question 'The Chinese signed legal documents almanacs newspapers dice and playing cards' value $400 answer Nikon.