Insert the name of a fictional character to the following text.
Input: Once upon a time there was a valiant knight named ____, who set off on a noble quest to save the kingdom.
Once upon a time there was a valiant knight named Sir Tarken, who set off on a noble quest to save the kingdom.
Once upon a time there was a valiant knight named, Sir Lancelot, who set off on a noble quest to save the kingdom.