CREATE TABLE table_66398 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Attendance" FLOAT)

What is the Opponent on December 3, 1979?
SELECT "Opponent" FROM table_66398 WHERE "Date" = 'december 3, 1979'
SELECT "Opponent" FROM "table_66398" WHERE "Date" = 'december 3, 1979'