CREATE TABLE table_76325 ("Episode" TEXT, "First broadcast" TEXT, "Graeme's guest" TEXT, "Jeremy's guest" TEXT, "Votes  ( % ) " TEXT)

What is Jeremy's Guest, when First Broadcast is '20 March 1998'?
SELECT "Jeremy's guest" FROM table_76325 WHERE "First broadcast" = '20 march 1998'
SELECT "Jeremy's guest" FROM "table_76325" WHERE "First broadcast" = '20 march 1998'