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_11764007_2 (member VARCHAR, week_arrived_on_main_island VARCHAR)
### Question:
How many members arrived on the main island in week 4?
### Answer:
SELECT COUNT(member) FROM table_11764007_2 WHERE week_arrived_on_main_island = "4"