user: Question: What's the volume:issue of Sheryl Crow with 3 weeks on top?
Columns: ['Volume:Issue', 'Issue Date(s)', 'Weeks on Top', 'Song', 'Artist']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['64:18', '16 December 1996 - 6 January ¶', '4 ¶', '" Head over Feet "', 'Alanis Morissette']
SQL:

assistant: SELECT "Volume:Issue" FROM "Table" WHERE "Weeks on Top" = '3' AND "Artist" = 'Sheryl Crow';