CREATE TABLE table_69292 ("Island" TEXT, "Group" TEXT, "Area  (  ha  ) " TEXT, "Population" TEXT, "Height  ( m ) " FLOAT)

What is the lowest Height (m) on the island of Burray?
SELECT MIN("Height (m)") FROM table_69292 WHERE "Island" = 'burray'
SELECT MIN("Height (m)") FROM "table_69292" WHERE "Island" = 'burray'