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_203_59 ( id number, "country" text, "2000" number, "2001" number, "2002" number, "2003" number, "2004" number, "2005" number, "2006" number, "2007" number, "2008" number, "2009" number, "2010" number, "2011" number )

### Question ###
in 2000 , did world mine production according to usgs estimates produce more tons or less tons of output of niobium minerals than in 2002 , when a total of 29,900 tons was estimated to have been mined ?

### Accurate SQL ###

SELECT (SELECT "2000" FROM table_203_59 WHERE "country" = 'world') > 29900