CREATE TABLE table_19773 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Record" CLOB, "Game Site" CLOB, "Attendance" FLOAT)

how many opponent with date being october 25, 1964
SELECT COUNT("Opponent") FROM table_19773 WHERE "Date" = 'October 25, 1964'
SELECT COUNT("Opponent") FROM "table_19773" WHERE "Date" = 'October 25, 1964'