CREATE TABLE table_204_891 (id DECIMAL, "name" TEXT, "hanzi" TEXT, "population  ( 2005 ) " DECIMAL, "area  ( km2 ) " DECIMAL)

how many divisions had a population of at least 15,000 ?
SELECT COUNT("name") FROM table_204_891 WHERE "population (2005)" >= 15000
SELECT COUNT("name") FROM "table_204_891" WHERE "population (2005)" >= 15000