user: Question: Name the least copa del rey
Columns: ['R', 'Player', 'Position', 'League', 'Champions League', 'Copa del Rey', 'Total']
Types: ['real', 'text', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Cristiano Ronaldo', 'WF', 26.0, 7.0, 0.0, 33.0]
SQL:

assistant: SELECT MIN("Copa del Rey") FROM "Table";