Table:
text: Largest urban areas of Norway
Largest urban areas of Norway
Largest urban areas of Norway
Urban_area Population_1_1_2009 Population_1_1_2008 Population_1_1_2007 Population_1_1_2006 Population_per_square_km
Askim 13.137 12.884 12.696 12.570 1.654
Ski 12.876 12.934 12.687 12.670 1.957
Drøbak 12.420 12.239 11.853 11.514 1.764
Nesoddtangen 11.599 11.420 11.285 11.083 1.655
Steinkjer 11.538 11.443 11.338 11.137 1.327
Leirvik 11.424 11.342 11.237 11.143 1.341
Vennesla 11.409 11.289 11.057 11.009 1.331
Kongsvinger 11.360 11.394 11 181 11.125 1.358
shalsen Stjørdal 10.779 10.638 10.494 10.227 1.461
Grimstad 10.668 10.454 10.133 9.973 1.071
Mandal 10.494 10.512 10.372 10.281 1.553
Egersund 10.397 10.226 9.707 9.528 1.587

Question: Name the smallest population on 01/01/2008 with a population per square kilometer of 1.957 and a population on 01.01.2006 less than 12.67 among the largest urban areas in Norway?