According to Google on its Data Studio help page, the connector uses the V7.2 JDBC driver, and is also compatible with the 2016, 2014, 2012 and 2008 versions of Microsoft SQL.

That's why we're getting SQL Server 2017 approximately 16 months after the release of SQL Server 2016, and we're getting major new functionality like Linux, Python, graph processing, and a slew of ...

Community Technology Preview 2 (CTP2) of SQL Server 2017, which Microsoft is labeling as "production-quality," is available today and includes the Python integration.