CREATE TABLE table_72933 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Game site" CLOB, "Record" CLOB, "Attendance" FLOAT)

How many results are listed for week 13?
SELECT COUNT("Result") FROM table_72933 WHERE "Week" = '13'
SELECT COUNT("Result") FROM "table_72933" WHERE "Week" = '13'