CREATE TABLE table_203_320 (id DECIMAL, "rank in\ 2011" DECIMAL, "name of\ concern" TEXT, "location of\ headquarters" TEXT, "revenue\ ( thou.\ pln ) " DECIMAL, "profit\ ( thou.\ pln ) " DECIMAL, "employees" DECIMAL)

what is the number of employees who work for pgnig sa ?
SELECT "employees" FROM table_203_320 WHERE "name of\nconcern" = 'pgnig sa'
SELECT "employees" FROM "table_203_320" WHERE "name of\nconcern" = 'pgnig sa'