CREATE TABLE table_16097 ("Week" FLOAT, "Date" TEXT, "Kickoff" TEXT, "Opponent" TEXT, "Final score" TEXT, "Team record" TEXT, "Game site" TEXT, "Attendance" FLOAT)

How many opponents were played on Saturday, June 9?
SELECT COUNT("Opponent") FROM table_16097 WHERE "Date" = 'Saturday, June 9'
SELECT COUNT("Opponent") FROM "table_16097" WHERE "Date" = 'Saturday, June 9'