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_2155836_1 (_per_capita_ VARCHAR, gdp__ppp___usd INTEGER, country VARCHAR)
### Question:
What is the GDP (PPP) (USD, per capita) for Algeria? 
### Answer:
SELECT MIN(gdp__ppp___usd), _per_capita_ FROM table_2155836_1 WHERE country = "Algeria"