Table: congress_elections_2
Columns: district
incumbent
party
first_elected
result
candidates

Question: What party did the incumbent from the Illinois 12 district belong to? 
SQL: SELECT "party" FROM congress_elections_2 WHERE "district" = 'Illinois 12'

Question: Who was the democratic incumbent in the Illinois 11 district who was re-elected? 
SQL: SELECT "incumbent" FROM congress_elections_2 WHERE "party" = 'Democratic' AND "result" = 'Re-elected' AND "district" = 'Illinois 11'

Question: Which incumbent was first elected in 1964? 
SQL: SELECT "incumbent" FROM congress_elections_2 WHERE "first_elected" = '1964'

Question: What party did the incumbent from the Illinois 1 district belong to? 
SQL: SELECT "party" FROM congress_elections_2 WHERE "district" = 'Illinois 1'