CREATE TABLE table_46626 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Attendance" CLOB)

What is the date of the game when the opponent is the Cleveland Browns?
SELECT "Date" FROM table_46626 WHERE "Opponent" = 'cleveland browns'
SELECT "Date" FROM "table_46626" WHERE "Opponent" = 'cleveland browns'