Return all the committees that have delegates from Democratic party.
SELECT T1.Committee FROM election AS T1 JOIN party AS T2 ON T1.Party  =  T2.Party_ID WHERE T2.Party  =  "Democratic"
SELECT T1.Committee FROM election AS T1 JOIN party AS T2 ON T1.Party  =  T2.Party_ID WHERE T2.Party  =  "Democratic"
[{'Committee': 'Appropriations'}, {'Committee': 'Economic Matters'}, {'Committee': 'Environmental Matters'}, {'Committee': 'Appropriations'}]