CREATE TABLE table_41315 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Attendance" CLOB)

What is the Week number with a result of l 31 28?
SELECT COUNT("Week") FROM table_41315 WHERE "Result" = 'l 31–28'
SELECT COUNT("Week") FROM "table_41315" WHERE "Result" = 'l 31–28'