Table:
0
A
B
C
D
E
1
Year
Competition
Venue
Position
Event
2
2007
Military World Games
Hyderabad, India
1st
10,000 m
3
2008
World Cross Country Championships
Edinburgh , Scotland
4th
Senior race
4
2008
World Cross Country Championships
Edinburgh , Scotland
2nd
Team competition
5
2010
Commonwealth Games
New Delhi , India
2nd
10,000 m
6
2011
African Cross Country Championships
Cape Town , South Africa
3rd
Senior 8km
7
2011
2011 Military World Games
Rio de Janeiro , Brazil
1st
10,000 m

Questions and formulas:
Question: What is the lowest Year, when Venue is Rio De Janeiro, Brazil?
Formula: MINIFS(A1,C1,"rio de janeiro, brazil")
Formula2: MINIFS(A2:A7,C2:C7,"rio de janeiro, brazil")
Level: easy
Question: What is Event, when Year is 2008?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1=2008),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,A2:A7=2008),5))
Level: medium