Table:
0
A
B
C
D
E
1
Year
Best teenage/Young Adult
Reader's Vote
Best Non-Fiction
Lifetime Achievement
2
1996
NA
NA
NA
Jon Cleary
3
1997
NA
NA
How to Write Crime edited by Marele Day
Alan Yates (aka Carter Brown )
4
1998
NA
NA
NA
NA
5
1999
NA
NA
NA
Peter Corris
6
2000
NA
NA
NA
NA
7
2001
NA
Bleeding Hearts by Lindy Cameron
NA
Professor Stephen Knight
8
2002
Blue Murder by Ken Catran
Apartment 255 by Bunty Avieson
NA
Patrick Gallagher
9
2003
NA
NA
NA
Kerry Greenwood
10
2004
NA
NA
NA
Bob Bottom
11
2005
NA
NA
NA
Stuart Coupe
12
2006
NA
NA
NA
Andrew Rule and John Silvester
13
2007
NA
NA
NA
Sandra Harvey and Lindsay Simpson
14
2008
NA
NA
NA
Marele Day
15
2009
NA
NA
NA
Shane Maloney
16
2010
NA
NA
NA
Peter Doyle
17
2011
NA
NA
NA
NA

Questions and formulas:
Question: How many times was the reader's vote na and the lifetime achievement na?
Formula: ROWS(UNIQUE(FILTER(A1, (C1="na")*(E1="na"))))
Formula2: ROWS(UNIQUE(FILTER(A2:A17, (C2:C17="na")*(E2:E17="na"))))
Level: medium
Question: who won the lifetime achievement in the year 1998?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1=1998),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E17,A2:A17=1998),5))
Level: medium
Question: who won the lifetime achievement when the best non-fiction is na, reader's vote is ne and the year is after 2005?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="na")*(C1="na")*(A1>2005)),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E17,(D2:D17="na")*(C2:C17="na")*(A2:A17>2005)),5))
Level: medium
Question: what is the reader's vote for 2011?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1=2011),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E17,A2:A17=2011),3))
Level: medium