CREATE TABLE table_203_606 (id NUMBER, "region" CLOB, "rnd" NUMBER, "host" CLOB, "venue" CLOB, "city" CLOB, "state" CLOB)

total number of venues that hosted first and second round games .
SELECT COUNT("venue") FROM table_203_606 WHERE "rnd" = 1 OR "rnd" = 2
SELECT COUNT("venue") FROM "table_203_606" WHERE "rnd" = 1 OR "rnd" = 2