CREATE TABLE table_6423 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Record" TEXT, "Game Site" TEXT, "Attendance" FLOAT)

What was the Attendance after Week 7 at Tiger Stadium?
SELECT COUNT("Attendance") FROM table_6423 WHERE "Game Site" = 'tiger stadium' AND "Week" > '7'
SELECT COUNT("Attendance") FROM "table_6423" WHERE "Game Site" = 'tiger stadium' AND "Week" > '7'