user: Question: What is the model for Thor's Hammer which is listed as Operating?
Columns: ['Name', 'Model', 'Park', 'Opened', 'Status']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ["G'sengte Sau (de)", 'Bobsled roller coaster', 'Erlebnispark Tripsdrill', '1998', 'Operating']
SQL:

assistant: SELECT "Model" FROM "Table" WHERE "Status" = 'Operating' AND "Name" = 'Thor''s Hammer';