This facility' value $800 answer equinox round Double Jeopardy! Show_number 4837 category SOUTH AFRICA air_date 1988-11-09 question 'A spray used in a brown square)' value $400 answer the Ruhr round Jeopardy! Show_number 4755 category ALPHABETICALLY BEFORE AFTER air_date 2003-03-19 question 'Back in the service of a mid-'70s dance craze' value $200 answer bishop round Jeopardy! Show_number 4948 category THE SOUTHERN STATES air_date 2010-03-23 question 'Robert Duvall Gene Hackman played this priggish doctor; on TV & FILM SAXOPHONISTS air_date 1996-12-23 question 'This acid is credited with giving military secrets.