CREATE TABLE table_1805191_14 (candidates VARCHAR, first_elected VARCHAR, party VARCHAR)

Who were the candidates when the first elected was a republican in 1998?
SELECT candidates FROM table_1805191_14 WHERE first_elected = 1998 AND party = "Republican"
SELECT "candidates" FROM "table_1805191_14" WHERE "Republican" = "party" AND "first_elected" = 1998