CREATE TABLE table_43854 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Attendance" FLOAT)

What was the week on December 10, 1989?
SELECT "Week" FROM table_43854 WHERE "Date" = 'december 10, 1989'
SELECT "Week" FROM "table_43854" WHERE "Date" = 'december 10, 1989'