CREATE TABLE table_24257833_4 (webkit_version VARCHAR, major_version VARCHAR, minor_version VARCHAR)

List all webkit versions when the major version was Safari 3, and the minor version was 3.1.2.
SELECT webkit_version FROM table_24257833_4 WHERE major_version = "Safari 3" AND minor_version = "3.1.2"
SELECT "webkit_version" FROM "table_24257833_4" WHERE "3.1.2" = "minor_version" AND "Safari 3" = "major_version"