user: Question: What is the height of the person whose position is Libero?
Columns: ['Shirt No', 'Nationality', 'Player', 'Birth Date', 'Height', 'Position']
Types: ['real', 'text', 'text', 'text', 'real', 'text']
Sample row: [6.0, 'Cuba', 'Henry Bell Cisnero', 'July 27, 1982 (age31)', 188.0, 'Spiker']
SQL:

assistant: SELECT "Height" FROM "Table" WHERE "Position" = 'Libero';