Table:
0
A
B
C
D
E
1
Year
Theme
Artist
Issue Price
Special Notes
2
2008
Calgary Flames
N/A
15.95
From Coin and Puck Set
3
2008
Calgary Flames
N/A
24.95
From Calgary Flames Gift Set
4
2008
Edmonton Oilers
N/A
15.95
From Coin and Puck Set
5
2008
Edmonton Oilers
N/A
24.95
From Edmonton Oilers Gift Set
6
2008
Montreal Canadiens
N/A
15.95
From Coin and Puck Set
7
2008
Montreal Canadiens
N/A
24.95
From Montreal Canadiens Gift Set
8
2008
Ottawa Senators
N/A
15.95
From Coin and Puck Set
9
2008
Ottawa Senators
N/A
24.95
From Ottawa Senators Gift Set
10
2008
Toronto Maple Leafs
N/A
15.95
From Coin and Puck Set
11
2008
Toronto Maple Leafs
N/A
24.95
From Toronto Maple Leafs Gift Set
12
2008
Vancouver Canucks
N/A
15.95
From Coin and Puck Set
13
2008
Vancouver Canucks
N/A
24.95
From Vancouver Canucks Gift Set
14
2009
Calgary Flames
N/A
24.95
From Calgary Flames Gift Set
15
2009
Edmonton Oilers
N/A
24.95
From Edmonton Oilers Gift Set
16
2009
Montreal Canadiens
N/A
24.95
From Montreal Canadiens Gift Set
17
2009
Ottawa Senators
N/A
24.95
From Ottawa Senators Gift Set
18
2009
Toronto Maple Leafs
N/A
24.95
From Toronto Maple Leafs Gift Set
19
2009
Vancouver Canucks
N/A
24.95
From Vancouver Canucks Gift Set

Questions and formulas:
Question: What is the special notes value for years under 2009?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1<2009),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E19,A2:A19<2009),5))
Level: medium
Question: How many years have a theme of Toronto Maple Leafs and an Issue Price of 24.95?
Formula: ROWS(UNIQUE(FILTER(A1, (B1="toronto maple leafs")*(D1=24.95))))
Formula2: ROWS(UNIQUE(FILTER(A2:A19, (B2:B19="toronto maple leafs")*(D2:D19=24.95))))
Level: medium