CREATE TABLE table_68040 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Game site" TEXT, "Record" TEXT, "Attendance" TEXT)

What was the week on October 11, 1998?
SELECT MIN("Week") FROM table_68040 WHERE "Date" = 'october 11, 1998'
SELECT MIN("Week") FROM "table_68040" WHERE "Date" = 'october 11, 1998'