Table:
0
A
B
C
D
E
F
1
Year
Theme
Artist
Composition
Mintage
Issue Price
2
2007
Blue Crystal - Piedfort
Konrad Wachelko
92.5% silver, 7.5% copper
5,000
$94.95
3
2007
Iridescent Crystal - Piedfort
Konrad Wachelko
92.5% silver, 7.5% copper
5,000
$94.95
4
2008
Amethyst Crystal
Konrad Wachelko
99.99% silver
7,500
$94.95
5
2008
Sapphire Crystal
Konrad Wachelko
99.99% silver
7,500
$94.95
6
2009
Blue Crystal
Konrad Wachelko
99.99% silver
7,500
$94.95
7
2009
Pink Crystal
Konrad Wachelko
99.99% silver
7,500
$94.95
8
2010
Blue Crystal
Konrad Wachelko
99.99% silver
7,500
$99.95
9
2010
Tanzanite Crystal
Konrad Wachelko
99.99% silver
7,500
$99.95
10
2011
Emerald Crystal
Konrad Wachelko
99.99% silver
15,000
$114.95
11
2011
Topaz Crystal
Konrad Wachelko
99.99% silver
15,000
$114.95
12
2011
Hyacinth Red Small Crystal
Konrad Wachelko
99.99% silver
15,000
$114.95
13
2011
Montana Blue Small Crystal
Konrad Wachelko
99.99% silver
15,000
$114.95

Questions and formulas:
Question: What is the earliest year when the composition is 99.99% silver and the issue price is $94.95?
Formula: MIN(FILTER(A1, (D1="99.99% silver")*(F1="$94.95")))
Formula2: MIN(FILTER(A2:A13, (D2:D13="99.99% silver")*(F2:F13="$94.95")))
Level: easy
Question: What year had an issue price of $94.95 and theme of Amethyst crystal?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(F1="$94.95")*(B1="amethyst crystal")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,(F2:F13="$94.95")*(B2:B13="amethyst crystal")),1))
Level: medium