CREATE TABLE finrev_fed_key_17 (state_code NUMBER, state CLOB)
CREATE TABLE finrev_fed_17 (state_code NUMBER, idcensus NUMBER, school_district CLOB, nces_id CLOB, yr_data NUMBER, t_fed_rev NUMBER, c14 NUMBER, c25 NUMBER)
CREATE TABLE ndecoreexcel_math_grade8 (year NUMBER, state CLOB, all_students CLOB, average_scale_score NUMBER)

Which school district receive the most of federal revenue through state in Wisconsin?
SELECT T1.school_district FROM finrev_fed_17 AS T1 JOIN finrev_fed_key_17 AS T2 ON T1.state_code = T2.state_code WHERE T2.state = "Wisconsin" ORDER BY T1.t_fed_rev DESC LIMIT 1
SELECT "T1"."school_district" FROM "finrev_fed_17" "T1" JOIN "finrev_fed_key_17" "T2" ON "T1"."state_code" = "T2"."state_code" AND "T2"."state" = "Wisconsin" ORDER BY "T1"."t_fed_rev" DESC FETCH FIRST 1 ROWS ONLY