CREATE TABLE table_name_2 (office VARCHAR2, party VARCHAR2, first_elected VARCHAR2)

Which Office has a Party of dem, and a First Elected of 1991 ?
SELECT office FROM table_name_2 WHERE party = "dem" AND first_elected = "1991†"
SELECT "office" FROM "table_name_2" WHERE "1991†" = "first_elected" AND "dem" = "party"