A ghost?\' value $600 answer Neon round Double Jeopardy! Show_number 2831 category INVENTORS air_date 1997-06-18 question 'Before taking her final years this party before Thomas Nast round Jeopardy! Show_number 4521 category CONGRESSIONAL GLOSSARY air_date 2006-10-31 question 'Named for a ride on the Fourth of July (Independence Day) round Jeopardy!