How to get engine version from .uproject file?

Trying to open a project with 4.9.2 but editor says it was created using different version. Wich version should I add if .uproject has

If you open the .uproject file in any standard text editor, the contents should specify the associated version, as in the following snippet:

	"FileVersion": 3,
	"EngineAssociation": "4.12", <--- there!
	"Category": "",
	"Description": "",