user: Question: How many copies per particle does the protein NSP2 have?
Columns: ['RNA Segment (Gene)', 'Size ( s base pair )', 'Protein', 'Molecular weight kDa', 'Location', 'Copies per particle']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 3302.0, 'VP1', '125', 'At the vertices of the core', '<25']
SQL:

assistant: SELECT "Copies per particle" FROM "Table" WHERE "Protein" = 'NSP2';