CREATE TABLE table_14462 ("Urban area" TEXT, "Population 1.1.2009" TEXT, "Population 1.1.2008" FLOAT, "Population 1.1.2007" TEXT, "Population 1.1.2006" FLOAT, "Population per square km" FLOAT)

Name the least population 1.1.2008 with population per square km of 1.957 and population 1.1.2006 less than 12.67
SELECT MIN("Population 1.1.2008") FROM table_14462 WHERE "Population per square km" = '1.957' AND "Population 1.1.2006" < '12.67'
SELECT MIN("Population 1.1.2008") FROM "table_14462" WHERE "Population 1.1.2006" < '12.67' AND "Population per square km" = '1.957'