CREATE TABLE table_27320 ("Region" TEXT, "Prison inmates Men" FLOAT, "Prison inmates Women" FLOAT, "Prison inmates Total" FLOAT, "Incarceration rate Male" FLOAT, "Incarceration rate Female" FLOAT, "Incarceration rate Total" FLOAT, "Country comparison" TEXT)

How many regions had 153 women prison inmates?
SELECT COUNT("Incarceration rate Total") FROM table_27320 WHERE "Prison inmates Women" = '153'
SELECT COUNT("Incarceration rate Total") FROM "table_27320" WHERE "Prison inmates Women" = '153'