user: Question: Who discovered the specimen at the Burpee Museum of Natural History?
Columns: ['Name', 'Discovered', 'Museum', 'Museum city', 'Discoverer', 'Formation', 'Location']
Types: ['text', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Wankel', 1988.0, 'Museum of the Rockies', 'Bozeman, MT', 'Kathy Wankel', 'Hell Creek Formation', 'Montana']
SQL:

assistant: SELECT "Discoverer" FROM "Table" WHERE "Museum" = 'Burpee Museum of Natural History';