What the most high value col(ms) North Island?
Rank Peak Country Island Elevation (m) Prominence (m) Col (m)
List of Ultras of Oceania
real text text text real real real
1-18946749-4
New Zealand
The ten s 
 ultra-prominent summit 
 of the 
 New Zealand
1 Aoraki/Mount Cook New Zealand South Island 3755 3755 0
2 Mount Ruapehu New Zealand North Island 2797 2797 0
3 Mount Aspiring/Tititea New Zealand South Island 3033 2471 562
4 Mount Taranaki/Egmont New Zealand North Island 2518 2308 210
5 Mount Tutoko New Zealand South Island 2723 2191 532
6 Mount Tapuaenuku New Zealand South Island 2884 2021 863
7 Single Cone New Zealand South Island 2319 1969 350
8 Manakau New Zealand South Island 2608 1798 810
9 Mount Taylor New Zealand South Island 2333 1636 698
table_18946749_4
SELECT MAX Col (m) FROM table WHERE Island = North Island
North Island