Table:
0
A
B
C
D
E
1
Rank
Stadium
Capacity
City
Country
2
1
Queensland Sport and Athletics Centre
49,000
Brisbane
Australia
3
2
Estadio Olímpico de Sevilla
27,200
Seville
Spain
4
3
Belgrade Arena
23,000
Belgrade
Serbia
5
4
Las Ventas
21,000
Madrid
Spain
6
5
Royal Dublin Society
6,000
Dublin
Ireland
7
6
O2 Arena (Prague)
17,000
Prague
Czech Republic
8
7
Palau Sant Jordi
16,500
Barcelona
Spain
9
8
Estadio Mary Terán de Weiss
14,510
Buenos Aires
Argentina
10
9
Palacio de Deportes de Santander
14,000
Santander
Spain
11
10
Memorial Coliseum
12,000
Portland, Oregon
United States
12
11
Nokia Arena
11,700
Tel Aviv
Israel
13
12
Public Auditorium
11,500
Cleveland
United States
14
13
Mediolanum Forum
11,200
Milan
Italy
15
14
Bill Graham Civic Auditorium
7,000
San Francisco
United States
16
15
Sibamac Arena
4,500
Bratislava
Slovakia
17
16
Idrottens Hus
2,400
Helsingborg
Sweden

Questions and formulas:
Question: Which Rank has a Capacity smaller than 12,000, and a Country of united states?
Formula: SUM(FILTER(A1, (C1<12000)*(E1="united states")))
Formula2: SUM(FILTER(A2:A17, (C2:C17<12000)*(E2:E17="united states")))
Level: easy
Question: Which City has a Country of spain, and a Stadium of palacio de deportes de santander?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1="spain")*(B1="palacio de deportes de santander")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E17,(E2:E17="spain")*(B2:B17="palacio de deportes de santander")),4))
Level: medium
Question: Which Capacity is the lowest one that has a Rank smaller than 15, and a City of belgrade?
Formula: SUM(FILTER(C1, (A1<15)*(D1="belgrade")))
Formula2: SUM(FILTER(C2:C17, (A2:A17<15)*(D2:D17="belgrade")))
Level: easy
Question: Which Capacity is the lowest one that has a City of brisbane, and a Rank smaller than 1?
Formula: SUM(FILTER(C1, (D1="brisbane")*(A1<1)))
Formula2: SUM(FILTER(C2:C17, (D2:D17="brisbane")*(A2:A17<1)))
Level: easy