Who is Jon Snow's biological parents?
While the answer has yet to be officially acknowledged in the "A Song of Ice and Fire" series, the "Game of Thrones" television show, which is based on the book series, revealed that Jon Snow is the son of the late Rhaegar Targaryen and Lyanna Stark.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Who is Jon Snow's biological parents?
### Input: 
### Response: While the answer has yet to be officially acknowledged in the "A Song of Ice and Fire" series, the "Game of Thrones" television show, which is based on the book series, revealed that Jon Snow is the son of the late Rhaegar Targaryen and Lyanna Stark.