user: Question: What's the target of the antibody Rituximab?
Columns: ['Antibody', 'Brand name', 'Approval date', 'Type', 'Target']
Types: ['text', 'text', 'real', 'text', 'text']
Sample row: ['Alemtuzumab', 'Campath', 2001.0, 'humanized', 'CD52']
SQL:

assistant: SELECT "Target" FROM "Table" WHERE "Antibody" = 'Rituximab';