SELECT AVG("Established") FROM table_63244 WHERE "Country/Territory" = 'dominican republic'
What is the average year that the medical school in dominican republic was established?
CREATE TABLE table_63244 (
    "Country/Territory" text,
    "Established" real,
    "Degree" text,
    "Regional/Offshore" text,
    "IMED/Avicenna Listed" text
)