CREATE TABLE table_79230 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Score" CLOB, "Record" CLOB)

Who was the opponent in week 13?
SELECT "Opponent" FROM table_79230 WHERE "Week" = '13'
SELECT "Opponent" FROM "table_79230" WHERE "Week" = '13'