CREATE TABLE table_204_987 (id DECIMAL, "city/municipality" TEXT, "no. of\ barangays" DECIMAL, "area\ ( km2 ) " DECIMAL, "population\ ( 2010 census ) " DECIMAL, "pop. density\ ( per km2 ) " DECIMAL)

how many cities are there in rizal ?
SELECT COUNT("city/municipality") FROM table_204_987
SELECT COUNT("city/municipality") FROM "table_204_987"