Question: Name the sum of population 1.1.2008 for tønsberg and population 1.1.2006 more than 45.447
SQL: SELECT SUM("Population 1.1.2008") FROM "2-12816291-1" WHERE "Urban area" = 'tønsberg' AND "Population 1.1.2006" > 45.447;

Question: Name the least population 1.1.2008 with population per square km of 1.957 and population 1.1.2006 less than 12.67
SQL: SELECT MIN("Population 1.1.2008") FROM "2-12816291-1" WHERE "Population per square km" = 1.957 AND "Population 1.1.2006" < 12.67;

Question: Name the total number of population per square km with population 1.12006 of 12.757
SQL: SELECT COUNT("Population per square km") FROM "2-12816291-1" WHERE "Population 1.1.2006" = 12.757;