CREATE TABLE table_204_324 (id NUMBER, "team 1" CLOB, "agg." CLOB, "team 2" CLOB, "1st leg" CLOB, "2nd leg" CLOB)

how many teams played in the 2011 caf u-23 championship qualification ?
SELECT COUNT("team 1") + COUNT("team 2") FROM table_204_324
SELECT COUNT("team 1") + COUNT("team 2") FROM "table_204_324"