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_88 (part_4 VARCHAR, class VARCHAR)
### Question:
What is the part 4 entry for class 7b?
### Answer:
SELECT part_4 FROM table_name_88 WHERE class = "7b"