user: Question: What is the minimum number of 50s scored?
Columns: ['Player', 'Matches', 'Innings', 'Runs', 'Average', 'Strike rate', 'Highest score', '50s']
Types: ['text', 'real', 'real', 'real', 'text', 'text', 'text', 'real']
Sample row: ['Wes Durston Category:Articles with hCards', 2.0, 2.0, 77.0, '77.00', '171.11', '57', 1.0]
SQL:

assistant: SELECT MIN("50s") FROM "Table";