CREATE TABLE table_63294 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Channel" CLOB, "Stadium" CLOB, "Attendance" CLOB)

Which Week has an Attendance of 63,447?
SELECT "Week" FROM table_63294 WHERE "Attendance" = '63,447'
SELECT "Week" FROM "table_63294" WHERE "Attendance" = '63,447'