user: Question: How many nicknames does the school in Newark, DE have
Columns: ['Institution', 'Location', 'Nickname', 'Enrollment', 'Established']
Types: ['text', 'text', 'text', 'real', 'real']
Sample row: ['University of Delaware', 'Newark, DE', 'Blue Hens', 19391.0, 1743.0]
SQL:

assistant: SELECT COUNT("Nickname") FROM "Table" WHERE "Location" = 'Newark, DE';