Table:
0
A
B
C
D
E
F
G
H
1
Name
Length
Tonnage
Built by
Year
Engines
Horsepowers
Former Names
2
American Dynasty
272.0 Feet
3471
Mangone Shipyard, Houston, TX.
1974
2, Bergen Diesel , BRM-8
8000
Artabaze, Bure, Sea Bure
3
American Triumph
285.0 Feet
4294
LS Baier &Co, Portland, OR.
1961
2, Wärtsilä , 8R32D
7939
Acona
4
Northern Jaeger
337 Feet
3732
Levingston Shipbuilding, Orange, TX.
1969
2, MAK M453C
6322
Jaeger, Inagua Ranger II, Wisco Ranger
5
Northern Eagle
344.1 Feet
4437
Ulstein Hatlo Norway.
1966
2, Bergen Diesel , BRM-8
6590
Mauna Kea, Hawaiian Princess
6
Northern Hawk
310.1 Feet
3732
Brount Marine Corp, Warren, RI.
1981
2, Bergen Diesel , BRM-8
8790
State Trust
7
Ocean Rover
223.0 Feet
4345
McDermott Shipyards, Amelia, LA.
1973
3, Wärtsilä
7080
Enterprise
8
Katie Ann
267.4 Feet
1593
Maryland Shipbuilding Co, Baltimore, MD.
1969
1, Normo
4497
Royal Sea, Seafreeze Pacific

Questions and formulas:
Question: Which Built by has a Name of northern jaeger?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,A1="northern jaeger"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H8,A2:A8="northern jaeger"),4))
Level: medium
Question: How many Horsepowers have a Year smaller than 1974, and a Tonnage of 4437?
Formula: SUM(FILTER(G1, (E1<1974)*(C1=4437)))
Formula2: SUM(FILTER(G2:G8, (E2:E8<1974)*(C2:C8=4437)))
Level: easy