Table:
0
A
B
C
D
E
F
G
1
Stage
Unit Number
Installed Capacity ( MW )
Date of Commissioning
Status
TG set Provider
Boiler Provider
2
First
1
62.5
October,1967
Running
GE , USA
The Babcock & Wilcox Company (B&W), USA
3
First
2
62.5
March,1968
Running
GE, USA
The Babcock & Wilcox Company (B&W), USA
4
First
3
62.5
May,1968
Running
GE, USA
The Babcock & Wilcox Company (B&W), USA
5
First
4
62.5
July,1968
Running
GE, USA
The Babcock & Wilcox Company (B&W), USA
6
First
5
62.5
April,1970
Running
GE, USA
The Babcock & Wilcox Company (B&W), USA
7
Second
6
200
July,1979
Running
BHEL , India
BHEL, India
8
Second
7
210
September,1980
Running
BHEL, India
BHEL, India
9
Second
8
210
January,1983
Running
BHEL, India
BHEL, India

Questions and formulas:
Question: What are Unit 2's dates of commissioning?
Formula: ROWS(UNIQUE(FILTER(D1, B1=2)))
Formula2: ROWS(UNIQUE(FILTER(D2:D9, B2:B9=2)))
Level: medium
Question: What is the boiler provider for Bhel, India's TG Set provider?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,F1="BHEL, India"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G9,F2:F9="BHEL, India"),7))
Level: medium