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_24257833_4 (major_version VARCHAR, webkit_version VARCHAR)
### Question:
What was the major version when the webkit version was 528.17?
### Answer:
SELECT major_version FROM table_24257833_4 WHERE webkit_version = "528.17"