Table:
0
A
B
C
D
E
1
Name
Employed
Position held
Honour
Citation
2
Davis, Phillip Harris (Phil)
1951–2000
Mathematics & Prefect Master
Medal of the Order of Australia
It's an Honour
3
Morgan, Michael Dennis
1981–2001
Physical Education Ist VIII Coach
Medal of the Order of Australia
It's an Honour
4
Swain, Elizabeth Anne (Liz)
1973–1995
Director of Music & Chapel Choir
Medal of the Order of Australia
It's an Honour
5
Swain, Peter Leonard
1970–1996
Chaplain & Archivist
Medal of the Order of Australia
It's an Honour
6
Woosnam, Clive Thomas
1970–2005
Senior Boarding Master & Registrar
Medal of the Order of Australia
It's an Honour
7
Zimmerman, Roy Alfred
1966–1996
Master-in-Charge Wyvern House
Medal of the Order of Australia
It's an Honour

Questions and formulas:
Question: What are the years employed shown for mathematics & prefect master?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="mathematics & prefect master"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,C2:C7="mathematics & prefect master"),2))
Level: medium
Question: What citation is shown for the employed years of 1970–1996?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="1970–1996"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,B2:B7="1970–1996"),5))
Level: medium
Question: What is the name of the person employed 1970–2005?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="1970–2005"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,B2:B7="1970–2005"),1))
Level: medium