CREATE TABLE table_21682 ("School" TEXT, "Years of Participation" TEXT, "OCC Championships" FLOAT, "Last OCC Championship" TEXT, "Last Outright OCC Championship" TEXT)

How many schools won their last occ championship in 2006?
SELECT COUNT("School") FROM table_21682 WHERE "Last OCC Championship" = '2006'
SELECT COUNT("School") FROM "table_21682" WHERE "Last OCC Championship" = '2006'