CREATE TABLE table_204_845 (id NUMBER, "round" NUMBER, "circuit" CLOB, "location" CLOB, "date" CLOB, "pole position" CLOB, "fastest lap" CLOB, "winning driver" CLOB, "headline event" CLOB)

how many total races are held in june ?
SELECT COUNT("circuit") FROM table_204_845 WHERE "date" = 6
SELECT COUNT("circuit") FROM "table_204_845" WHERE "date" = 6