Table:
text: Administrative division of the People's Republic of Poland
Poland's voivodeships 1975-98 (49 voivodeships)
Polish voivodeships and separate cities 1975-1998
Abbreviation Voivodeship Capital Area_km²_1998 Population_1980 No_of_cities No_of_communes
go Gorzów Voivodeship Gorzów Wielkopolski 8 484 455 400 21 38
jg Jelenia Góra Voivodeship Jelenia Góra 4 378 492 600 24 28
kl Kalisz Voivodeship Kalisz 6 512 668 000 20 53
ka Katowice Voivodeship Katowice 6 650 3 733 900 43 46
ki Kielce Voivodeship Kielce 9 211 1 068 700 17 69
kn Konin Voivodeship Konin 5 139 441 200 18 43
ko Koszalin Voivodeship Koszalin 8 470 462 200 17 35
kr Kraków Voivodeship Kraków 3 254 1 167 500 10 38
ks Krosno Voivodeship Krosno 5 702 448 200 12 37
lg Legnica Voivodeship Legnica 4 037 458 900 11 31

Question: How big (in km2) is the Voivodeship, also known by the abbreviation KN, under the administrative unit of the People's Republic of Poland?