Table:
0
A
B
C
D
E
F
G
1
Processor
Brand name
Model (list)
Cores
L2 Cache
Socket
TDP
2
Allendale
Xeon
3xxx
2
2 MB
LGA 775
65 W
3
Conroe
Xeon
3xxx
2
2-4 MB
LGA 775
65 W
4
Conroe and Allendale
Core 2 Duo
E4xxx
2
2 MB
LGA 775
65 W
5
Conroe and Allendale
Core 2 Duo
E6xx0
2
2-4 MB
LGA 775
65 W
6
Conroe-CL
Core 2 Duo
E6xx5
2
2-4 MB
LGA 771
65 W
7
Conroe-XE
Core 2 Extreme
X6xxx
2
4 MB
LGA 775
75 W
8
Allendale
Pentium Dual-Core
E2xxx
2
1 MB
LGA 775
65 W
9
Allendale
Celeron
E1xxx
2
512 KB
LGA 775
65 W
10
Conroe-L
Celeron
4x0
1
512 KB
LGA 775
35 W

Questions and formulas:
Question: What is the brand name associated with a model name e4xxx?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,C1="E4xxx"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G10,C2:C10="E4xxx"),2))
Level: medium
Question: What is the brand name associated with the model named e4xxx?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,C1="E4xxx"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G10,C2:C10="E4xxx"),2))
Level: medium
Question: What is the brand name associated with the model 4x0?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,C1="4x0"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G10,C2:C10="4x0"),2))
Level: medium
Question: What is the number of cores associated with model name e2xxx?
Formula: SUMIFS(D1,C1,"E2xxx")
Formula2: SUMIFS(D2:D10,C2:C10,"E2xxx")
Level: easy
Question: What is the wattage/TDP associated with model name 4x0?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,C1="4x0"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G10,C2:C10="4x0"),7))
Level: medium