CREATE TABLE table_3114 ("University" TEXT, "Location" TEXT, "Year Founded" FLOAT, "QS World University Rankings 2012" FLOAT, "Times Higher Education World University Rankings 2012-2013" TEXT)

What is the QS World ranking of the school with the Times ranking 251-275?
SELECT MAX("QS World University Rankings 2012") FROM table_3114 WHERE "Times Higher Education World University Rankings 2012-2013" = '251-275'
SELECT MAX("QS World University Rankings 2012") FROM "table_3114" WHERE "Times Higher Education World University Rankings 2012-2013" = '251-275'