user: Question: What is the capital (endonym) where Douglas is the Capital (exonym)?
Columns: ['Country ( exonym )', 'Capital ( exonym )', 'Country ( endonym )', 'Capital ( endonym )', 'Official or native language(s) (alphabet/script)']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Iceland', 'Reykjavík', 'Ísland', 'Reykjavík', 'Icelandic']
SQL:

assistant: SELECT "Capital ( endonym )" FROM "Table" WHERE "Capital ( exonym )" = 'Douglas';