Table:
0
A
B
C
D
E
F
G
1
School (IHSAA ID#)
Location
Mascot
# / County
Year Joined
Year Left
Conference Joined
2
Delphi
Delphi
Oracles
08 Carroll
1954
1956
Hoosier
3
Knox
Knox
Redskins
75 Starke
1954
1963
Independents
4
Morocco
Morocco
Beavers
56 Newton
1954
1958
Independents
5
North Judson
North Judson
Blue Jays
75 Starke
1954
1963
Independents
6
Rensselaer Central
Rensselaer
Bombers
37 Jasper
1954
1958
Independents
7
Bremen
Bremen
Lions
50 Marshall
1958
1962
Independents
8
Jimtown *
Elkhart
Jimmies
20 Elkhart
1958
1963
Independents
9
Washington- Clay
South Bend
Colonials
71 St. Joseph
1958
1963
Independents

Questions and formulas:
Question: Which conference joined in 1954 with a beavers mascot?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,(E1=1954)*(C1="beavers")),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G9,(E2:E9=1954)*(C2:C9="beavers")),7))
Level: medium