Table:
0
A
B
C
D
E
1
Game
October
Opponent
Score
Record
2
1
12
Vancouver Canucks
6 - 3
1-0-0
3
2
15
@ Montreal Canadiens
5 - 0
1-1-0
4
3
16
New York Islanders
4 - 2
2-1-0
5
4
19
Pittsburgh Penguins
3 - 3
2-1-1
6
5
22
@ New York Islanders
7 - 2
2-2-1
7
6
23
Montreal Canadiens
6 - 2
2-3-1
8
7
25
@ Cleveland Barons
5 - 0
3-3-1
9
8
26
St. Louis Blues
6 - 2
4-3-1
10
9
29
@ Atlanta Flames
4 - 3
4-4-1
11
10
30
Los Angeles Kings
5 - 3
4-5-1

Questions and formulas:
Question: What is the average game number that was on october 19?
Formula: AVERAGE(FILTER(A1, B1=19))
Formula2: AVERAGE(FILTER(A2:A11, B2:B11=19))
Level: easy