CREATE TABLE table_64721 ("Region" CLOB, "Date" CLOB, "Label" CLOB, "Format" CLOB, "Catalog" FLOAT)

Which Catalog has a Date of july 15, 2011?
SELECT AVG("Catalog") FROM table_64721 WHERE "Date" = 'july 15, 2011'
SELECT AVG("Catalog") FROM "table_64721" WHERE "Date" = 'july 15, 2011'