Table: oceania_ultras_2
Columns: rank
peak
country
island
elevation_m
col_m

Question: What is the rank when the col is larger than 0?
SQL: SELECT COUNT("rank") FROM oceania_ultras_2 WHERE "col_m" > 0

Question: What is the elevation of Vanuatu, when the rank is smaller than 3?
SQL: SELECT AVG("elevation_m") FROM oceania_ultras_2 WHERE "country" = 'vanuatu' AND "rank" < 3