Table:
0
A
B
C
D
E
1
Year
Tournament
Venue
Result
Extra
2
1988
World Cross Country Championships
Auckland , New Zealand
2nd
Team competition
3
1991
World Cross Country Championships
Antwerp , Belgium
7th
Long race
4
1991
World Cross Country Championships
Antwerp , Belgium
2nd
Team competition
5
1995
World Cross Country Championships
Durham , England
27th
Long race
6
1995
World Cross Country Championships
Durham , England
5th
Team competition
7
1996
World Cross Country Championships
Stellenbosch , South Africa
3rd
Team competition

Questions and formulas:
Question: How many years did the team place 2nd in Antwerp, Belgium?
Formula: ROWS(UNIQUE(FILTER(A1, (C1="antwerp, belgium")*(D1="2nd"))))
Formula2: ROWS(UNIQUE(FILTER(A2:A7, (C2:C7="antwerp, belgium")*(D2:D7="2nd"))))
Level: medium
Question: What is the name of the venue that was used before 1991?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1<1991),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,A2:A7<1991),3))
Level: medium
Question: How many years did the team place 2nd in Auckland, New Zealand?
Formula: ROWS(UNIQUE(FILTER(A1, (D1="2nd")*(C1="auckland, new zealand"))))
Formula2: ROWS(UNIQUE(FILTER(A2:A7, (D2:D7="2nd")*(C2:C7="auckland, new zealand"))))
Level: medium