CREATE TABLE table_426 ("State" TEXT, "Preliminaries" TEXT, "Interview" TEXT, "Swimsuit" TEXT, "Evening Gown" TEXT, "Average" TEXT)

What is the interview score when the preliminaries score is 8.400?
SELECT "Interview" FROM table_426 WHERE "Preliminaries" = '8.400'
SELECT "Interview" FROM "table_426" WHERE "Preliminaries" = '8.400'