CREATE TABLE table_66151 ("Season" FLOAT, "First Aired" CLOB, "Last Aired" CLOB, "Episodes" FLOAT, "Network" CLOB)

Of the series that last aired August 20, 2010, what is the lowest number of seasons?
SELECT MIN("Season") FROM table_66151 WHERE "Last Aired" = 'august 20, 2010'
SELECT MIN("Season") FROM "table_66151" WHERE "Last Aired" = 'august 20, 2010'