Table:
text: Mbizana Local Municipality
Main places
Main places
Place Code Area_km_2_ Population Most_spoken_language
Amadiba 23001 433.70 28421 Xhosa
Amandela 23002 8.78 2297 Xhosa
Amandengane 23003 46.81 3583 Xhosa
Amangutyana 23004 286.10 35871 Xhosa
Amantshangase 23005 108.38 7104 Xhosa
Amapisi 23006 122.89 9909 Xhosa
Bala 23007 18.03 3935 Xhosa
Bizana 23008 23.96 4110 Xhosa
Imizizi 23009 541.81 67728 Xhosa
Ntlenzi 23010 360.60 31706 Xhosa
Ntshamate 23011 15.02 3706 Xhosa
Tsikelo 23012 345.75 41453 Xhosa
Xesibe 23013 100.00 5594 Xhosa

Question: What is the average population for an area less than 433.7 km and a 23013 code of the Municipality of Mbizana?

Question: What is the overall code number for Amadiba in Mbizana Municipality?