Table:
0
A
B
C
D
E
1
Wind farm
Installed capacity (MW)
Turbine Manufacturer
County
Date in Service
2
Glacier Wind Farm I and II (NaturEner)
210
Acciona 1.5MW
Glacier/Toole
2008-2009
3
Rim Rock Wind Farm (NaturEner)
189
Acciona 1.5MW
Glacier/Toole
2012
4
Judith Gap Energy Center (Invenergy)
135
GE 1.5MW
Wheatland
2005
5
Musselshell Wind Project 1 and II
20
GW 1.5-87 1.5MW
Musselshell
2012
6
Gordon Butte Wind
9.6
GE 1.6MW
Meagher
2012

Questions and formulas:
Question: Who was the turbine manufacturer for the Wheatland county?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="Wheatland"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,D2:D6="Wheatland"),3))
Level: medium
Question: How many turbine manufacturers installed a capacity of 189 MW?
Formula: ROWS(UNIQUE(FILTER(C1, B1=189)))
Formula2: ROWS(UNIQUE(FILTER(C2:C6, B2:B6=189)))
Level: medium
Question: How much capacity was installed in Wheatland?
Formula: SUMIFS(B1,D1,"Wheatland")
Formula2: SUMIFS(B2:B6,D2:D6,"Wheatland")
Level: easy
Question: Who was the turbine manufacturer of the wind farm that started service on 2005?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1=2005),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,E2:E6=2005),3))
Level: medium
Question: When did this wind farm started service with a capacity of 135 MW?
Formula: LET(query1,SUMMARIZE(E1,SUMX(B1)),FILTER(query1,CHOOSECOLS(query1,2)=135))
Formula2: LET(query1,SUMMARIZE(E2:E6,SUMX(B2:B6)),FILTER(query1,CHOOSECOLS(query1,2)=135))
Level: hard
Question: When did the wind farm in Musselshell started service?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="Musselshell"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,D2:D6="Musselshell"),5))
Level: medium