Table:
text: The Greatest Canadian
Top 10
Top 10
Rank_ Name_ Notability Birthplace Advocate_
4 Sir Frederick Banting Medical scientist, co-discoverer of insulin, , winner of the Nobel Prize in Physiology or Medicine Alliston, Ontario Mary Walsh
3 Pierre Trudeau Fifteenth Prime Minister of Canada Montreal, Quebec Rex Murphy
2 Terry Fox Athlete, activist, humanitarian Winnipeg, Manitoba Sook-Yin Lee
1 Tommy Douglas Father of Medicare, Premier of Saskatchewan Falkirk, Scotland George Stroumboulopoulos

Question: Which Canadian was ranked first and considered the greatest among the greatest Canadians?