Tell me all the parties.
select * from party
Which one's delegates are from district 1 or district 2?
select * from election as t1 join party as t2 on t1.party = t2.party_id where t1.district = 1 or t1.district = 2
Who were these parties' comptrollers?
select t2.comptroller from election as t1 join party as t2 on t1.party = t2.party_id where t1.district = 1 or t1.district = 2