CREATE TABLE table_19083 ("Code" FLOAT, "County" CLOB, "Former Province" CLOB, "Area  ( km 2  ) " CLOB, "Population Census 2009" FLOAT, "Capital" CLOB)

What capital has a population of 596268?
SELECT "Capital" FROM table_19083 WHERE "Population Census 2009" = '596268'
SELECT "Capital" FROM "table_19083" WHERE "Population Census 2009" = '596268'