user: Question: How many University founded in 1863?
Columns: ['Institution', 'Location', 'Founded', 'Affiliation', 'Enrollment', 'Year Joined', 'Nickname', 'Conference']
Types: ['text', 'text', 'real', 'text', 'real', 'real', 'text', 'text']
Sample row: ['Drexel University', 'University City', 1891.0, 'Private', 25500.0, 1986.0, 'Dragons', 'Colonial Athletic Association']
SQL:

assistant: SELECT COUNT("Enrollment") FROM "Table" WHERE "Founded" = 1863.0;