Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_12108_1 (gdp___bn__ VARCHAR)
### Question:
what is the gdp ( bn ) where capital is capital?
### Answer:
SELECT gdp___bn__ FROM table_12108_1 WHERE "capital" = "capital"