CREATE TABLE table_20674 ("State" TEXT, "Preliminary Average" TEXT, "Interview" TEXT, "Swimsuit" TEXT, "Evening Gown" TEXT, "Semifinal Average" TEXT)

What was the preliminary average for the one who had a semifinal average of 8.966 (3)?
SELECT "Preliminary Average" FROM table_20674 WHERE "Semifinal Average" = '8.966 (3)'
SELECT "Preliminary Average" FROM "table_20674" WHERE "Semifinal Average" = '8.966 (3)'