Table:
0
A
B
C
D
E
F
1
Year
Competition
Venue
Position
Event
Notes
2
1986
Venice Marathon
Venice, Italy
1st
Marathon
2:18:44
3
1987
World Championships
Rome, Italy
13th
Marathon
2:17:45
4
1987
Venice Marathon
Venice, Italy
1st
Marathon
2:10:01
5
1990
European Championships
Split , FR Yugoslavia
4th
Marathon
2:17:45
6
1991
World Championships
Tokyo, Japan
6th
Marathon
2:15:58
7
1992
Olympic Games
Barcelona, Spain
5th
Marathon
2:14:15
8
1993
World Championships
Stuttgart, Germany
—
Marathon
DNF
9
1996
Olympic Games
Atlanta, United States
20th
Marathon
2:17:27

Questions and formulas:
Question: Which Year has a Competition of olympic games, and a Venue of atlanta, united states?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(B1="olympic games")*(C1="atlanta, united states")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,(B2:B9="olympic games")*(C2:C9="atlanta, united states")),1))
Level: medium
Question: Which Competition has a Year of 1993?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1=1993),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,A2:A9=1993),2))
Level: medium
Question: Which Notes has a Competition of venice marathon?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="venice marathon"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,B2:B9="venice marathon"),6))
Level: medium
Question: Which Year has a Venue of atlanta, united states?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="atlanta, united states"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,C2:C9="atlanta, united states"),1))
Level: medium
Question: Which Notes has a Venue of barcelona, spain?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="barcelona, spain"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,C2:C9="barcelona, spain"),6))
Level: medium
Question: Which Event has a Year of 1986?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1=1986),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,A2:A9=1986),5))
Level: medium