CREATE TABLE table_203_59 (id NUMBER, "country" CLOB, "2000" NUMBER, "2001" NUMBER, "2002" NUMBER, "2003" NUMBER, "2004" NUMBER, "2005" NUMBER, "2006" NUMBER, "2007" NUMBER, "2008" NUMBER, "2009" NUMBER, "2010" NUMBER, "2011" NUMBER)

according to usgs estimates of mine production , what was the total estimated mine production of niobium minerals from the nation of brazil in 2006 ?
SELECT "2006" FROM table_203_59 WHERE "country" = 'brazil'
SELECT "2006" FROM "table_203_59" WHERE "country" = 'brazil'