CREATE TABLE table_19345 ("Week" FLOAT, "Date" CLOB, "Kickoff  (  ET  ) " CLOB, "TV" CLOB, "Opponent" CLOB, "Result" CLOB, "Record" CLOB, "Game Site" CLOB)

Which team did they play at Rich Stadium?
SELECT "Opponent" FROM table_19345 WHERE "Game Site" = 'Rich Stadium'
SELECT "Opponent" FROM "table_19345" WHERE "Game Site" = 'Rich Stadium'