Question:  "True North" is an episdoe of the the television seriees "Once Upon a Time" that is in parallel with a  well-known fairy tale of German origin published in what year?
Sentence (from "True North (Once Upon a Time)"): In the episode, Sheriff Emma Swan (Jennifer Morrison) helps two children (Karley Scott Collins and Quinn Lord) track down their father before they are placed in a foster care system, in a parallel with the story of Hansel and Gretel.
Relevant evidence: Yes