user: ### NOW ANSWER:
Question: What is the installation date for the Delta Chapter?
Columns: ['Chapter', 'Installation Date', 'Institution', 'Location', 'Inactive']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Gamma', 'Cannot handle non-empty timestamp argument! 1930', 'Oregon State University', 'Corvallis, Oregon', '1968']
SQL:

assistant: SELECT "Installation Date" FROM "Table" WHERE "Chapter" = 'Delta';