Table: us_house_2006_election_3
Columns: district
incumbent
party
first_elected
results

Question: Which Democratic incumbent was first elected in 1998?
SQL: SELECT "incumbent" FROM us_house_2006_election_3 WHERE "party" = 'democratic' AND "first_elected" = 1998

Question: Which district has a Democratic incumbent that was first elected before 1996?
SQL: SELECT "district" FROM us_house_2006_election_3 WHERE "party" = 'democratic' AND "first_elected" < 1996

Question: Who is the incumbent for the Oregon 5 District that was elected in 1996?
SQL: SELECT "incumbent" FROM us_house_2006_election_3 WHERE "first_elected" = 1996 AND "district" = 'oregon 5'

Question: What was the result of the Oregon 5 District incumbent who was first elected in 1996?
SQL: SELECT "results" FROM us_house_2006_election_3 WHERE "first_elected" = 1996 AND "district" = 'oregon 5'