Table:
0
A
B
C
D
E
F
G
1
Year
Theme
Artist
Mintage (Proof)
Issue Price (Proof)
Mintage (BU)[ clarification needed ]
Issue Price (BU)[ clarification needed ]
2
2000
Voyage of Discovery
D.F. Warkentin
121,575
$29.95
62,975
$19.95
3
2001
50th Anniversary of the National Ballet of Canada
Dora de Pédery-Hunt
89,390
$30.95
53,668
$20.95
4
2002
Golden Jubilee of Elizabeth II
Royal Canadian Mint Staff
29,688
$33.95
64,410
$24.95
5
2002
The Queen Mother
Royal Canadian Mint Staff
9,994
$49.95
No BU exists
N/A
6
2004
The Poppy
Cosme Saffioti
24,527
$49.95
No BU Exists
N/A
7
2005
40th Anniversary, Flag of Canada
William Woodruff
N/A
$34.95
N/A
$24.95
8
2006
Victoria Cross
Royal Canadian Mint Staff
N/A
$34.95
N/A
$26.95
9
2006
Medal of Bravery
Royal Canadian Mint Staff
N/A
$54.95
No BU Exists
N/A
10
2007
Thayendanegea Joseph Brant
RCM Staff based on image by Laurie McGaw
65,000
42.95
35,000
34.95
11
2007
Celebration of the Arts
Friedrich Peter
20,000
$54.95
No BU Exists
N/A
12
2008
400th Anniversary of Quebec
Suzanne Duranceau
65,000
$42.95
35,000
$34.95
13
2008
100th Anniversary of Royal Canadian Mint
Jason Bouwman
25,000
$59.95
No BU Exists
N/A
14
2008
The Poppy (with ultra high relief)
Cosme Saffioti
5,000
$139.95
No BU Exists
N/A

Questions and formulas:
Question: What is the earliest year where the mintage (proof) is 25,000?
Formula: MIN(FILTER(A1, D1=25000))
Formula2: MIN(FILTER(A2:A14, D2:D14=25000))
Level: easy
Question: What is the mintage (bu) with the artist Royal Canadian Mint Staff and has an issue price (proof) of $54.95?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,(C1="Royal Canadian Mint Staff")*(E1="$54.95")),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G14,(C2:C14="Royal Canadian Mint Staff")*(E2:E14="$54.95")),6))
Level: medium