Table:
0
A
B
C
D
E
F
1
performance id
date
host
location
attendance
performance
2
1.0
February 2
Boston Bruins
TD Garden
165
3
2.0
February 4
New York Rangers
Madison Square Garden
1820
4
3.0
February 5
Atlanta Thrashers
Verizon Center
1878
5
4.0
February 7
Pittsburgh Penguins
Verizon Center
1877
6
5.0
February 10
Montreal Canadiens
Bell Centre
2173
7
6.0
February 11
Ottawa Senators
Scotiabank Place
1982

Questions and formulas:
Question: How many performances are there?
Formula: ROWS(UNIQUE(F1))
Formula2: ROWS(UNIQUE(F2:F7))
Level: easy
Question: List the hosts of performances in ascending order of attendance.
Formula: SORTBY(C1,E1,1)
Formula2: SORTBY(C2:C7,E2:E7,1)
Level: easy
Question: What are the dates and locations of performances?
Formula: CHOOSE({1,2},B1,D1)
Formula2: CHOOSE({1,2},B2:B7,D2:D7)
Level: easy
Question: Show the attendances of the performances at location "TD Garden" or "Bell Centre"
Formula: FILTER(E1,(D1="TD Garden")+(D1="Bell Centre"))
Formula2: FILTER(E2:E7,(D2:D7="TD Garden")+(D2:D7="Bell Centre"))
Level: easy
Question: Show different locations and the number of performances at each location.
Formula: SUMMARIZE(D1,DCOUNTX(F1))
Formula2: SUMMARIZE(D2:D7,DCOUNTX(F2:F7))
Level: easy
Question: Show the locations that have at least two performances.
Formula: LET(query1,SUMMARIZE(D1,DCOUNTX(F1)),FILTER(query1,CHOOSECOLS(query1,3)>=2))
Formula2: LET(query1,SUMMARIZE(D2:D7,DCOUNTX(F2:F7)),FILTER(query1,CHOOSECOLS(query1,3)>=2))
Level: hard