what is the total number of nobel prize winners on the list?
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col : rank | name | notability | birthplace | advocate row 1 : 10 | wayne gretzky | hockey player, holder of numerous nhl records | brantford, ontario | deborah grey row 2 : 9 | alexander graham bell | scientist, inventor,\nfounder of the bell telephone company | edinburgh, scotland | evan solomon row 3 : 8 | sir john a. macdonald | first prime minister of canada | glasgow, scotland | charlotte gray row 4 : 7 | don cherry | hockey coach and commentator | kingston, ontario | bret hart row 5 : 6 | lester b. pearson | fourteenth prime minister of canada,\nunited nations general | toronto, ontario | paul gross row 6 : 5 | david suzuki | environmentalist | vancouver, british columbia | melissa auf der maur row 7 : 4 | sir frederick banting | medical scientist, co-discoverer of insulin,\nwinner | alliston, ontario | mary walsh row 8 : 3 | pierre trudeau | fifteenth prime minister of canada | montreal, quebec | rex murphy row 9 : 2 | terry fox | athlete, activist, humanitarian | winnipeg, manitoba | sook-yin lee row 10 : 1 | tommy douglas | father of medicare, premier of saskatchewan | falkirk, scotland | george stroumboulopoulos
what is the total number of nobel prize winners on the list?
Rank Name Notability Birthplace Advocate
10 Wayne Gretzky Hockey player, holder of numerous NHL records Brantford, Ontario Deborah Grey
9 Alexander Graham Bell Scientist, inventor,\nfounder of the Bell Telephone Company Edinburgh, Scotland Evan Solomon
8 Sir John A. Macdonald First Prime Minister of Canada Glasgow, Scotland Charlotte Gray
7 Don Cherry Hockey coach and commentator Kingston, Ontario Bret Hart
6 Lester B. Pearson Fourteenth Prime Minister of Canada,\nUnited Nations General Assembly President,\nNobel Peace Prize Laureate Toronto, Ontario Paul Gross
5 David Suzuki Environmentalist Vancouver, British Columbia Melissa Auf der Maur
4 Sir Frederick Banting Medical scientist, co-discoverer of insulin,\nwinner 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
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