Table:
0
A
B
C
D
E
F
1
No
Player
Height
Position
Year born
Current Club
2
4
Pau Gasol
2.13
Center
1980
Memphis Grizzlies
3
5
Rudy Fernández
1.96
Guard
1985
DKV Joventut
4
6
Carlos Cabezas
1.86
Guard
1980
Unicaja Málaga
5
7
Juan Carlos Navarro
1.92
Guard
1980
Memphis Grizzlies
6
8
José Calderón
1.91
Guard
1981
Toronto Raptors
7
9
Felipe Reyes
2.06
Center
1980
Real Madrid
8
10
Carlos Jiménez
2.05
Forward
1976
Unicaja Málaga
9
11
Sergio Rodríguez
1.91
Guard
1986
Portland Trail Blazers
10
12
Berni Rodríguez
1.97
Guard
1980
Unicaja Málaga
11
13
Marc Gasol
2.16
Center
1985
Akasvayu Girona
12
14
Àlex Mumbrú
2.02
Forward
1979
Real Madrid

Questions and formulas:
Question:  how many player with no being 12
Formula: ROWS(UNIQUE(FILTER(B1, A1=12)))
Formula2: ROWS(UNIQUE(FILTER(B2:B12, A2:A12=12)))
Level: medium
Question: what's the height with position being forward and current club being real madrid
Formula: SUM(FILTER(C1, (D1="Forward")*(F1="Real Madrid")))
Formula2: SUM(FILTER(C2:C12, (D2:D12="Forward")*(F2:F12="Real Madrid")))
Level: easy
Question: what's the height with current club being dkv joventut
Formula: SUMIFS(C1,F1,"DKV Joventut")
Formula2: SUMIFS(C2:C12,F2:F12,"DKV Joventut")
Level: easy
Question: what's the current club with player being felipe reyes
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Felipe Reyes"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F12,B2:B12="Felipe Reyes"),6))
Level: medium