Table:
0
A
B
C
D
E
F
1
Year
Summits
Country
Continent
Elevation ft
Elevation m
2
April 2006
Mount Kilimanjaro
Tanzania
Africa
19340
5892
3
July 2007
Mount Elbrus
Russia
Europe
18510
5642
4
December 2007
Mount Aconcagua
Argentina
South America
22841
6962
5
June 2008
Mount McKinley
United States
North America
20320
6194
6
September 2009
Mount Carstensz Pyramid
Indonesia
Australia/Oceania
16024
4884
7
May 2010
Mount Everest
Nepal - China
Asia
29029
8848

Questions and formulas:
Question: In what year is australia/oceania listed? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="Australia/Oceania"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,D2:D7="Australia/Oceania"),1))
Level: medium
Question: what was the elevation in september 2009?
Formula: SUMIFS(F1,A1,"September 2009")
Formula2: SUMIFS(F2:F7,A2:A7,"September 2009")
Level: easy
Question: what is the continent in which the country russia is listed?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="Russia"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,C2:C7="Russia"),4))
Level: medium
Question: what was the lowest elevation in april 2006?
Formula: MINIFS(E1,A1,"April 2006")
Formula2: MINIFS(E2:E7,A2:A7,"April 2006")
Level: easy
Question: what is elevation of tanzania?
Formula: SUMIFS(E1,C1,"Tanzania")
Formula2: SUMIFS(E2:E7,C2:C7,"Tanzania")
Level: easy
Question: what is the elevation of south america? 
Formula: SUMIFS(E1,D1,"South America")
Formula2: SUMIFS(E2:E7,D2:D7,"South America")
Level: easy