Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_29691 ( "Currency" text, "Country" text, "Generic Name or Nickname" text, "Rating ( S&P / Moodys )" text, "Negotiable debt at mid-2005 ( US dollar bn equivalent)" real, "Government financial liabilities as % of GDP (end 2003 - source : OECD )" text, "Issuer" text, "Internet site" text )

### Question ###
Name the country for the us dollar

### Accurate SQL ###

SELECT "Country" FROM table_29691 WHERE "Currency" = 'US dollar'