CREATE TABLE table_26726 ("Country or region" TEXT, "Highest point" TEXT, "Maximum elevation" TEXT, "Lowest point" TEXT, "Minimum elevation" TEXT, "Elevation span" TEXT)

What is the maximum elevation in netherlands?
SELECT "Maximum elevation" FROM table_26726 WHERE "Country or region" = 'Netherlands'
SELECT "Maximum elevation" FROM "table_26726" WHERE "Country or region" = 'Netherlands'