Table:
0
A
B
C
D
E
1
Year
Theme
Artist
Mintage
Issue Price
2
2002
15th Anniversary Loonie
Dora de Pédery-Hunt
67,672
$39.95
3
2004
Jack Miner Bird Sanctuary
Susan Taylor
N/A
$39.95
4
2005
Tufted Puffin
N/A
N/A
$39.95
5
2006
Snowy Owl
Glen Loates
20,000
$39.95
6
2007
Trumpeter Swan
Kerri Burnett
40,000
45.95
7
2008
Common Eider
Mark Hobson
40,000
$45.95
8
2009
Great Blue Heron
Chris Jordison
40,000
$47.95

Questions and formulas:
Question: What was the issue price for the Trumpeter Swan set?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="trumpeter swan"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,B2:B8="trumpeter swan"),5))
Level: medium
Question: Who was the artist with a mintage of 40,000 and an issue price of $45.95?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1=40000)*(E1=45.95)),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(D2:D8=40000)*(E2:E8=45.95)),3))
Level: medium