Table:
0
A
B
C
D
E
1
Shirt No
Player
Birth Date
Weight
Height
2
1
Rafael Pascual
16 March 1970
94
194
3
2
Ibán Pérez
13 November 1983
89
198
4
3
José Luis Lobato
19 February 1977
81
186
5
4
Manuel Sevillano
2 July 1981
90
194
6
7
Guillermo Hernán
25 July 1982
68
181
7
10
Miguel Ángel Falasca
29 April 1973
92
195
8
11
Javier Subiela
22 March 1984
88
198
9
12
Guillermo Falasca
24 October 1977
104
200
10
14
José Luis Moltó
29 June 1975
95
207
11
16
Julián García-Torres
8 November 1980
93
202
12
17
Enrique de la Fuente
11 August 1975
95
195

Questions and formulas:
Question: How many players weight 95?
Formula: ROWS(UNIQUE(FILTER(B1, D1=95)))
Formula2: ROWS(UNIQUE(FILTER(B2:B12, D2:D12=95)))
Level: medium
Question: What's Enrique de la Fuente's weight?
Formula: SUMIFS(D1,B1,"Enrique de la Fuente")
Formula2: SUMIFS(D2:D12,B2:B12,"Enrique de la Fuente")
Level: easy