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 review (name VARCHAR, u_id VARCHAR); CREATE TABLE useracct (name VARCHAR, u_id VARCHAR)
### Question:
Find the names of users who did not leave any review.
### Answer:
SELECT name FROM useracct WHERE NOT u_id IN (SELECT u_id FROM review)