Table: yii_versions
Columns: version
release
release_date
end_of_maintenance
requirement

Question: What's the version in the 1.0.4 release?
SQL: SELECT "version" FROM yii_versions WHERE "release" = '1.0.4'

Question: What's the release date in the 1.1.10 release?
SQL: SELECT "release_date" FROM yii_versions WHERE "release" = '1.1.10'

Question: When's the end of maintenance in the  august 11, 2013 release date?
SQL: SELECT "end_of_maintenance" FROM yii_versions WHERE "release_date" = 'August 11, 2013'

Question: What's the version of the 1.0.12 release?
SQL: SELECT "version" FROM yii_versions WHERE "release" = '1.0.12'

Question: What's the number of the 1.0.9 release version?
SQL: SELECT COUNT("version") FROM yii_versions WHERE "release" = '1.0.9'

Question: What's the number of the 1.0.12 release version?
SQL: SELECT COUNT("version") FROM yii_versions WHERE "release" = '1.0.12'