Table: us_house_2010_election
Columns: district
incumbent
party
first_elected
result
candidates

Question: Name the incumbent for lost renomination republican hold
SQL: SELECT "incumbent" FROM us_house_2010_election WHERE "result" = 'Lost renomination Republican hold'

Question: Name the result for first elected being 1992
SQL: SELECT "result" FROM us_house_2010_election WHERE "first_elected" = 1992

Question: Name the incumbent for alabama 6
SQL: SELECT "incumbent" FROM us_house_2010_election WHERE "district" = 'Alabama 6'