CREATE TABLE table_75675 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Game site" TEXT, "Attendance" TEXT)

Where did the Jet's play with an attendance of 11,309?
SELECT "Game site" FROM table_75675 WHERE "Attendance" = '11,309'
SELECT "Game site" FROM "table_75675" WHERE "Attendance" = '11,309'