user: Question: Which Platform / OS has a Name of Altova UModel?
Columns: ['Name', 'Creator', 'Platform / OS', 'First public release', 'Latest stable release', 'Open source', 'Programming language used']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['AgileJ StructureViews', 'AgileJ', 'Cross-platform (Java)', '2006-08-08', '2013-04-20', 'No', 'Java']
SQL:

assistant: SELECT "Platform / OS" FROM "Table" WHERE "Name" = 'Altova UModel';