Question: Dora Old Elk  grew up on an indian reservation established in what year?
Sentence (from "Crow Indian Reservation"): It has a land area of 3,593.56 sq mi (9,307.27 km²) and a total area of 3,606.54 sq mi (9,340.89 km²), making it either the fifth or sixth largest reservation in the country.
Relevant evidence: No