Table:
0
A
B
C
D
E
1
Week
Date
Opponent
Result
Attendance
2
1
September 9, 1962
New York Titans
L 28–17
12,893
3
2
September 23, 1962
Dallas Texans
L 26–16
12,500
4
3
September 30, 1962
San Diego Chargers
L 42–33
13,000
5
4
October 5, 1962
at Denver Broncos
L 44–7
22,452
6
5
October 14, 1962
Denver Broncos
L 23–6
7,000
7
6
October 20, 1962
at Buffalo Bills
L 14–6
21,037
8
7
October 26, 1962
at Boston Patriots
L 26–16
12,514
9
8
November 4, 1962
at New York Titans
L 31–21
18,247
10
9
November 11, 1962
Houston Oilers
L 28–20
11,000
11
10
November 18, 1962
Buffalo Bills
L 10–6
12,500
12
11
November 25, 1962
at Dallas Texans
L 35–7
13,557
13
12
December 2, 1962
at San Diego Chargers
L 31–21
17,874
14
13
December 9, 1962
at Houston Oilers
L 32–17
27,400
15
14
December 16, 1962
Boston Patriots
W 20–0
8,000

Questions and formulas:
Question: What's the attendance of the san diego chargers game before week 6?
Formula: SUM(FILTER(E1, (A1<6)*(C1="san diego chargers")))
Formula2: SUM(FILTER(E2:E15, (A2:A15<6)*(C2:C15="san diego chargers")))
Level: easy