CREATE TABLE table_16223 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Stadium" TEXT, "Record" TEXT, "Attendance" FLOAT)

What was the minimum attendance on December 7, 1969?
SELECT MIN("Attendance") FROM table_16223 WHERE "Date" = 'December 7, 1969'
SELECT MIN("Attendance") FROM "table_16223" WHERE "Date" = 'December 7, 1969'