What number president was the most notable Congressman from Massachusetts Congressional District 11?
Massachusetts's 11th congressional district:  Its last Congressman was Brian Donnelly; its most notable were John Quincy Adams following his term as president, eventual president John F. Kennedy and Speaker Tip O'Neill. John Quincy Adams: John Quincy Adams ( ; July 11, 1767 – February 23, 1848) was an American statesman who served as a diplomat, United States Senator, member of the House of Representatives, and the sixth President of the United States from 1825 to 1829.
sixth