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_15 (membership INTEGER, _percentage_lds VARCHAR, branches VARCHAR)
### Question:
What is the average membership with 3.33% LDS and less than 47 branches?
### Answer:
SELECT AVG(membership) FROM table_name_15 WHERE _percentage_lds = "3.33%" AND branches < 47