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 nuclear_power_plants ( id text, name text, latitude text, longitude text, country text, status text, reactortype text, reactormodel text, constructionstartat text, operationalfrom text, operationalto text, capacity text, lastupdatedat text, source text )

### Question ###
Which country has the least capacities of nuclear power plants?

### Accurate SQL ###

SELECT country FROM nuclear_power_plants GROUP BY country ORDER BY SUM(capacity) LIMIT 1