Which person is source-backed for U.S. president with validity March 4, 1809 to March 4, 1817?

Answer options

• Option: John Adams
  "John Adams" vs. "James Madison" John Adams follows in 1797; misses the target mapping. John Adams is documented for the period 1797-03-04/1801-03-04. The task targets this mapping, so John Adams remains wrong in this prompt. John Adams remains in scope U.S. presidency.
• Option: George Washington
  "George Washington" vs. "James Madison" George Washington was the first; misses the target mapping. George Washington is documented for the period 1789-04-30/1797-03-04. The task targets this mapping, so George Washington remains wrong in this prompt. George Washington remains in scope U.S. presidency.
• Option: Thomas Jefferson
  "Thomas Jefferson" vs. "James Madison" Thomas Jefferson follows in 1801; misses the target mapping. Thomas Jefferson is documented for the period 1801-03-04/1809-03-04. The task targets this mapping, so Thomas Jefferson remains wrong in this prompt. Thomas Jefferson remains in scope U.S. presidency.
• Correct: James Madison
  "James Madison" - target James Madison follows in 1809. James Madison is documented for the period 1809-03-04/1817-03-04. The task targets this mapping, and James Madison remains correct in this prompt. James Madison remains in scope U.S. presidency.

Solution

James Madison

"James Madison" is correct: James Madison follows in 1809. The prompt targets James Madison, so the graph keeps this mapping stable against close alternatives. S. president -> James Madison via a direct graph path. Source: Wikidata. As of: 2026-02-13.

Fun fact

role_holder_direct separates time-qualified offices from timeless work roles through valid_time and role_scope. James Madison stays anchored with additional dataset context. The graph therefore uses a direct graph path.