Which episode does Jon Snow concede to Daenerys Targaryen's authority?
Jon Snow finally refers to Daenerys as "My Queen" in the last episode of the seventh season of Game of Thrones.
Instruction: Which episode does Jon Snow concede to Daenerys Targaryen's authority?
Context: 
Response: Jon Snow finally refers to Daenerys as "My Queen" in the last episode of the seventh season of Game of Thrones.