Table:
0
A
B
C
D
E
1
Year
Competition
Venue
Position
Notes
2
2006
World Junior Championships
Beijing , China
2nd
5000 m
3
2007
World Cross Country Championships
Mombasa , Kenya
5th
Long race
4
2007
World Cross Country Championships
Mombasa , Kenya
2nd
Team
5
2009
World Cross Country Championships
Amman , Jordan
1st
Long race
6
2009
World Cross Country Championships
Amman , Jordan
1st
Team
7
2009
World Championships
Berlin , Germany
12th
10,000 m
8
2010
World Half Marathon Championships
Nanning , China
1st
Half marathon
9
2010
World Half Marathon Championships
Nanning , China
1st
Team

Questions and formulas:
Question: Name the lowest year for 12th position
Formula: MINIFS(A1,D1,"12th")
Formula2: MINIFS(A2:A9,D2:D9,"12th")
Level: easy
Question: Tell me the competition for half marathon
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="half marathon"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,E2:E9="half marathon"),2))
Level: medium