Table:
0
A
B
C
D
E
F
G
1
Engine
Power, continuous
Power, takeoff
Compression ratio
Supercharger gear ratio
Octane rating
Dry weight
2
Wasp Jr. A
hp (kW) at 2,000 RPM
same
5.0:1
7:1
68
lb (kg)
3
Wasp Jr. TB
hp (kW) at 2,200 RPM
hp (kW) at 2,300 RPM
6.0:1
8:1
80
lb (kg)
4
Wasp Jr. SB
hp (kW) at 2,200 RPM
hp (kW) at 2,300 RPM
6.0:1
10:1
80/87
lb (kg)
5
Wasp Jr. T1B2
hp (kW) at 2,300 RPM
same
6.0:1
10:1
80/87
lb (kg)
6
Wasp Jr. B4
hp (kW) at 2,300 RPM
same
6.0:1
10:1
80/87
lb (kg)
7
Wasp Jr. SC-G
hp (kW) at 2,700 RPM
hp (kW) at 2,850 RPM
6.7:1
10:1
100
lb (kg)

Questions and formulas:
Question: Which supercharger gear ratio has a Octane rating of 68?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,F1=68),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,F2:F7=68),5))
Level: medium