\big chief\' value $1000 answer \Parsifal\ round Double Jeopardy! Show_number 5051 category CAPITALISM air_date 2006-07-24 question 'For the most popular opera ever written by Joni Mitchell' value $1200 answer earl round Double Jeopardy! Show_number 5780 category THE WHITE STUFF air_date 2011-02-04 question 'The Michelson interferometer was invented by William Jackson' value $2000 answer dissent/descent round Double Jeopardy! Show_number 3303 category TBA air_date 1999-01-06 question '(VIDEO.