user: Question: What is the average year that the medical school in Dominican Republic was established?
Columns: ['Country/Territory', 'Established', 'Degree', 'Regional/Offshore', 'IMED/Avicenna Listed']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Anguilla ( UK )', 2001.0, 'MD', 'Offshore', 'Both']
SQL:

assistant: SELECT AVG("Established") FROM "Table" WHERE "Country/Territory" = 'Dominican Republic';