Question: In what year did the last fluent speaker of the language spoken by the Okehocking Tribe die?
Sentence (from "Okehocking people"): Along with the Schuylkill and Brandywine Indians, the Okehocking were known as "Unami" or "people down the river" by other tribes, in accordance with the Indian way of designating a tribe by geographical location.
Relevant evidence: No