Table:
0
A
B
C
D
E
F
1
Kanji
Name (Translation)
Builder
Laid down
Launched
Completed
2
雷
Ikazuchi Thunder
Yarrow Shipbuilders , Poplar , London
1897-09-01
1898-11-15
1899-02-23
3
電
Inazuma Lightning
Yarrow Shipbuilders , Poplar , London
1897-11-01
1899-01-28
1899-04-25
4
霓
Niji Rainbow
Yarrow Shipbuilders , Poplar , London
1899-01-01
1899-06-22
1899-07-29
5
曙
Akebono Dawn
Yarrow Shipbuilders , Poplar , London
1898-02-01
1899-04-25
1899-07-03
6
朧
Oboro Moonlight
Yarrow Shipbuilders , Poplar , London
1899-01-01
1899-10-05
1899-11-01
7
漣
Sazanami Ripple
Yarrow Shipbuilders , Poplar , London UK
1897-06-01
1899-08-08
1899-08-28

Questions and formulas:
Question: What is the date that the item was laid down if it was launched on 1899-04-25?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="1899-04-25"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,E2:E7="1899-04-25"),4))
Level: medium
Question: Which builder is associated with ikazuchi thunder?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Ikazuchi Thunder"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,B2:B7="Ikazuchi Thunder"),3))
Level: medium
Question: Which builder has the the kanji of 曙?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="曙"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,A2:A7="曙"),3))
Level: medium