user: Question: What is the minimum number of starts for the players having a best finish of T18?
Columns: ['Player', 'Starts', 'Cuts made', 'Best finish', 'Money list rank', 'Earnings ($)']
Types: ['text', 'real', 'real', 'text', 'real', 'real']
Sample row: ['J. B. Holmes', 26.0, 16.0, 'Win', 59.0, 1487604.0]
SQL:

assistant: SELECT MIN("Starts") FROM "Table" WHERE "Best finish" = 'T18';