CREATE TABLE table_46969 ("Municipality" TEXT, "Population" FLOAT, "Inhabitants per km\\u00b2" FLOAT, "Area  ( in km\\u00b2 ) " FLOAT, "Markatal" FLOAT, "Island" TEXT, "Region" TEXT)

What is the highest Markatal, when Municipality is Leirv k, and when Inhabitants Per Km is greater than 79?
SELECT MAX("Markatal") FROM table_46969 WHERE "Municipality" = 'leirvík' AND "Inhabitants per km\u00b2" > '79'
SELECT MAX("Markatal") FROM "table_46969" WHERE "Inhabitants per km\u00b2" > '79' AND "Municipality" = 'leirvík'