CREATE TABLE table_20481 ("Office" TEXT, "Type" TEXT, "Location" TEXT, "Elected" FLOAT, "Term began" TEXT, "Term ended" TEXT)

What year did the term end for those elected in 1990
SELECT "Term ended" FROM table_20481 WHERE "Elected" = '1990'
SELECT "Term ended" FROM "table_20481" WHERE "Elected" = '1990'