CREATE TABLE table_204_132 (id DECIMAL, "year" DECIMAL, "location" TEXT, "men's individual" TEXT, "women's individual" TEXT, "men's team" TEXT, "women's team" TEXT, "mixed team" TEXT, "ref" DECIMAL)

how many different locations are there ?
SELECT COUNT(DISTINCT "location") FROM table_204_132
SELECT COUNT(DISTINCT "location") FROM "table_204_132"