What is the primary conference of the school that has the lowest acc percent score in the competition?
create table basketball_match (school_id varchar, acc_percent varchar, PRIMARY KEY (school_id)); create table university (primary_conference varchar, school_id varchar, PRIMARY KEY (primary_conference))
select t1.primary_conference from university as t1 join basketball_match as t2 on t1.school_id = t2.school_id order by t2.acc_percent limit 1