CREATE TABLE table_77194 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Attendance" FLOAT)

Which Week has an Opponent of pittsburgh steelers, and an Attendance larger than 47,727?
SELECT MIN("Week") FROM table_77194 WHERE "Opponent" = 'pittsburgh steelers' AND "Attendance" > '47,727'
SELECT MIN("Week") FROM "table_77194" WHERE "Attendance" > '47,727' AND "Opponent" = 'pittsburgh steelers'