Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_24257833_4 (major_version VARCHAR, webkit_version VARCHAR)

### Question ###
What was the major version when the webkit version was 528.17?

### Accurate SQL ###

SELECT major_version FROM table_24257833_4 WHERE webkit_version = "528.17"