How many Jews did Stalin kill?

Okay so--and feel free to fact check me because I'm not completely sure about this-- Stalin didn't directly kill the Jews. However, he didn't put up much of a fight when Germany tried (and succeeded) to imprison and kill his Jews. The Soviet Union suffered many casualties; around 7 million and 1.3 million Russian Jews were killed, but that was Hitler, not totally Stalin. Don't forget, Stalin may have started out in the Axis powers, but after Hitler dishonored a pledge he joined the Allied power, so he was on the more-or-less good side (Great Britain, U.S., China, etc.).