CREATE TABLE table_49313 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Attendance" TEXT)

What is the Attendance on September 28, 1997?
SELECT "Attendance" FROM table_49313 WHERE "Date" = 'september 28, 1997'
SELECT "Attendance" FROM "table_49313" WHERE "Date" = 'september 28, 1997'