Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_49 (group VARCHAR, population VARCHAR, island VARCHAR)
### Question:
What group on the island of Muckle Green Holm has a population of 0?
### Answer:
SELECT group FROM table_name_49 WHERE population = "0" AND island = "muckle green holm"