CREATE TABLE basketball_match (team_id NUMBER, school_id NUMBER, team_name CLOB, acc_regular_season CLOB, acc_percent CLOB, acc_home CLOB, acc_road CLOB, all_games CLOB, all_games_percent NUMBER, all_home CLOB, all_road CLOB, all_neutral CLOB)
CREATE TABLE university (school_id NUMBER, school CLOB, location CLOB, founded NUMBER, affiliation CLOB, enrollment NUMBER, nickname CLOB, primary_conference CLOB)

Return the primary conference of the school with the lowest acc percentage score.
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
SELECT "t1"."primary_conference" FROM "university" "t1" JOIN "basketball_match" "t2" ON "t1"."school_id" = "t2"."school_id" ORDER BY "t2"."acc_percent" FETCH FIRST 1 ROWS ONLY