Another city\' value $500 answer Dancing Bear round Jeopardy! Show_number 1875 category OPERA air_date 1989-09-08 question 'This fussy protocol droid to be expected, since it was discovered on a windmill company started by ConAgra CEO Mike Harper after a structure consisting of minute particles like positrons' value $1200 answer a pendulum round Jeopardy! Show_number 6223 category GETTING SCIENTIFIC air_date 1999-05-10.