CREATE TABLE table_5117 ("Date" CLOB, "Opponent" CLOB, "Score" CLOB, "Loss" CLOB, "Attendance" CLOB, "Record" CLOB)

which team has a record of 13-18?
SELECT "Opponent" FROM table_5117 WHERE "Record" = '13-18'
SELECT "Opponent" FROM "table_5117" WHERE "Record" = '13-18'