CREATE TABLE table_12824 ("Rank" FLOAT, "Family" TEXT, "Abbre\\u00adviation" TEXT, "Constellation" TEXT, "Area  ( sq.deg. ) " FLOAT, "Area  ( msr ) " FLOAT, "Per\\u00adcent\\u00adage" TEXT, "Right ascension  ( hm ) " FLOAT, "Decli\\u00adnation  ( dm ) " TEXT, "Quad" TEXT)

What is the largest Area (msr) that has an Area less than 291.045, is part of the Per family, and has a rank higher than 78?
SELECT MAX("Area (msr)") FROM table_12824 WHERE "Area (sq.deg.)" < '291.045' AND "Family" = 'per' AND "Rank" > '78'
SELECT MAX("Area (msr)") FROM "table_12824" WHERE "Area (sq.deg.)" < '291.045' AND "Family" = 'per' AND "Rank" > '78'