Table:
0
A
B
C
D
E
1
Ship
Site
Guns
Naval constructor
Superintendent
2
Chesapeake
Gosport, Virginia
44
Josiah Fox
Richard Dale
3
Constitution
Boston, Massachusetts
44
George Claghorn
Samuel Nicholson
4
President
New York, New York
44
Forman Cheeseman
Silas Talbot
5
United States
Philadelphia, Pennsylvania
44
Joshua Humphreys
John Barry
6
Congress
Portsmouth, New Hampshire
36
James Hackett
James Sever
7
Constellation
Baltimore, Maryland
36
David Stodder
Thomas Truxtun

Questions and formulas:
Question: What is the site when the superintendent was John Barry?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="john barry"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,E2:E7="john barry"),2))
Level: medium
Question: What is the number of guns when the superintendent was Silas Talbot?
Formula: SUMIFS(C1,E1,"silas talbot")
Formula2: SUMIFS(C2:C7,E2:E7,"silas talbot")
Level: easy
Question: What is the site when the superintendent was James Sever?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="james sever"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,E2:E7="james sever"),2))
Level: medium