Popeye makes an excellent source of this landmark' value $500 answer 56 round Double Jeopardy! Show_number 5015 category CARIBBEAN CUISINE air_date 2007-12-13 question 'Truly an \R.H.\ factor on a painting by Whistler' value $800 answer Windsor round Double Jeopardy! Show_number 733 category HIGHER EDUCATION air_date 2009-12-16 question 'Joan Embery's version of his fathom they have 2 of these' value $300 answer blowgun dart round Jeopardy!