What is the name of party with most number of members?
create table party (party_name varchar, party_id varchar, PRIMARY KEY (party_name)); create table member (party_id varchar, PRIMARY KEY (party_id))
select t2.party_name from member as t1 join party as t2 on t1.party_id = t2.party_id group by t1.party_id order by count(*) desc limit 1