SELECT COUNT(evening_gown) FROM table_name_60 WHERE average > 8.984 AND country = "louisiana" AND preliminary > 8.597
Berapa angka gaun malam ketika rata -rata lebih dari 8,984 di Louisiana dan pendahuluan lebih dari 8,597?
CREATE TABLE table_name_60 (evening_gown VARCHAR, preliminary VARCHAR, average VARCHAR, country VARCHAR)