user: Question: What is the name of the Winner in North Carolina at the Greater Greensboro Open?
Columns: ['Date', 'Tournament', 'Location', 'Winner', 'Score', '1st prize ( $ )']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Jan 11', 'Joe Garagiola-Tucson Open', 'Arizona', 'Johnny Miller (20)', '265 (–15)', '54,000']
SQL:

assistant: SELECT "Winner" FROM "Table" WHERE "Location" = 'North Carolina' AND "Tournament" = 'Greater Greensboro Open';