CREATE TABLE table_45333 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Attendance" FLOAT)

What is the lowest Week, when Attendance is 38,624?
SELECT MIN("Week") FROM table_45333 WHERE "Attendance" = '38,624'
SELECT MIN("Week") FROM "table_45333" WHERE "Attendance" = '38,624'