CREATE TABLE table_27317 ("Region" TEXT, "Preschool  ( 0\\u20135 years ) " TEXT, "Primary  ( 6\\u201313 years ) " TEXT, "Secondary  ( 14\\u201317 years ) " TEXT, "Tertiary  ( 18\\u201324 years ) " TEXT)

What is the enrollment ration in primary in the region where the enrollment ratio in preschool is 50.23?
SELECT "Primary (6\u201313 years)" FROM table_27317 WHERE "Preschool (0\u20135 years)" = '50.23'
SELECT "Primary (6\u201313 years)" FROM "table_27317" WHERE "Preschool (0\u20135 years)" = '50.23'