user: Question: What is the lowest played when draws P.K. Wins / P.K. Losses is 3/0, and points is larger than 18?
Columns: ['Position', 'Team', 'Played', 'Wins', 'Draws P.K. Wins / P.K. Losses', 'Losses', 'Scored', 'Conceded', 'Points']
Types: ['real', 'text', 'real', 'real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Olimpia', 12.0, 7.0, '4/0', 1.0, 22.0, 7.0, 29.0]
SQL:

assistant: SELECT MIN("Played") FROM "Table" WHERE "Draws P.K. Wins / P.K. Losses" = '3/0' AND "Points" > 18.0;