user: Question: Who is the mInister who left office during 1960?
Columns: ['Number', 'Minister', 'Took office', 'Left office', 'Government', 'Party']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Dr. Kwame Nkrumah (MP)', '1957', '1958', 'Nkrumah government', "Convention Peoples' Party"]
SQL:

assistant: SELECT "Minister" FROM "Table" WHERE "Left office" = '1960';