Table:
0
A
B
C
D
E
1
Type
Owns
Length
Delivery Date
Gross Tonnage
2
General cargo ship
Yes
83.5152 m (LBP)
1 June 1980
2,266
3
General cargo ship/container ship
Yes
100.59 100.59 m (LOA)
1997 1997
4,276
4
Petroleum tanker
Yes
109.1 109.1 m (LOA)
2001 2001
3,469
5
Deck cargo barge
Yes
76.2 76.2 m (LBP)
1983 1 September 1983
2,529
6
Tugboat
Yes
27.7764 27.7764 m (LBP)
1974 1 September 1974
189

Questions and formulas:
Question: with delivery date of 2001 2001 what is the owns?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="2001 2001"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,D2:D6="2001 2001"),2))
Level: medium
Question: with delivery date of 2001 2001 what is gross tonnage?
Formula: SUMIFS(E1,D1,"2001 2001")
Formula2: SUMIFS(E2:E6,D2:D6,"2001 2001")
Level: easy
Question: with delivery date 1997 1997 what is the owns?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="1997 1997"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,D2:D6="1997 1997"),2))
Level: medium