user: Question: Tell me the host for Midwest Thomas Assembly Center
Columns: ['Region', 'Host', 'Venue', 'City', 'State']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['East', 'Ohio State University', 'St. John Arena', 'Columbus', 'Ohio']
SQL:

assistant: SELECT "Host" FROM "Table" WHERE "Region" = 'Midwest' AND "Venue" = 'Thomas Assembly Center';