CREATE TABLE table_21279 ("Country" CLOB, "Preliminary" CLOB, "Interview" CLOB, "Swimsuit" CLOB, "Evening Gown" CLOB, "Average" CLOB)

Evening gown scores of participants with 8.988 swimsuit score
SELECT "Evening Gown" FROM table_21279 WHERE "Swimsuit" = '8.988'
SELECT "Evening Gown" FROM "table_21279" WHERE "Swimsuit" = '8.988'