Table:
0
A
B
C
D
E
1
Player
Height
Position
Year born
Current Club
2
Nikita Shabalkin
2.04
Forward
1986
Khimki
3
J.R. Holden
1.85
Guard
1976
CSKA Moscow
4
Sergei Bykov
1.90
Guard
1983
Dynamo Moscow
5
Andrei Kirilenko
2.05
Forward
1981
Utah Jazz
6
Nikita Morgunov
2.11
Forward
1975
Triumph Lyubertsy
7
Petr Samoylenko
1.86
Guard
1977
Dynamo Moscow
8
Viktor Khryapa
2.04
Forward
1982
Chicago Bulls
9
Zakhar Pashutin
1.95
Guard
1974
CSKA Moscow
10
Sergei Monya
2.04
Forward
1983
Dynamo Moscow
11
Anton Ponkrashov
2.00
Guard
1986
Khimki
12
Alexei Savrasenko
2.15
Center
1979
CSKA Moscow
13
Nikolai Padius
1.97
Guard
1980
UNICS Kazan

Questions and formulas:
Question: What is the height of the person born before 1975?
Formula: SUM(FILTER(B1, D1<1975))
Formula2: SUM(FILTER(B2:B13, D2:D13<1975))
Level: easy