CREATE TABLE table_71948 ("Rank" FLOAT, "Name" TEXT, "Height ft  ( m ) " TEXT, "Floors" FLOAT, "Year" FLOAT)

What is the greatest rank for Fifth third center?
SELECT MAX("Rank") FROM table_71948 WHERE "Name" = 'fifth third center'
SELECT MAX("Rank") FROM "table_71948" WHERE "Name" = 'fifth third center'