CREATE TABLE table_204_365 (id DECIMAL, "year" DECIMAL, "single" TEXT, "chart positions\ usa billboard hot dance club play" DECIMAL, "chart positions\ polish charts" DECIMAL, "album" TEXT)

how many singles were released in 2010 ?
SELECT COUNT("single") FROM table_204_365 WHERE "year" = 2010
SELECT COUNT("single") FROM "table_204_365" WHERE "year" = 2010