CREATE TABLE table_69295 ("Island" CLOB, "Group" CLOB, "Area  (  ha  ) " CLOB, "Population" CLOB, "Height  ( m ) " FLOAT)

What group on the island of Muckle Green Holm has a population of 0?
SELECT "Group" FROM table_69295 WHERE "Population" = '0' AND "Island" = 'muckle green holm'
SELECT "Group" FROM "table_69295" WHERE "Island" = 'muckle green holm' AND "Population" = '0'