Please give me all the acc percent scores.
select acc_percent from basketball_match
Which school has the lowest acc percent score?
select t1.school from university as t1 join basketball_match as t2 on t1.school_id = t2.school_id order by t2.acc_percent limit 1
What is its 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