Table:
0
A
B
C
D
E
1
iWork version
Keynote version
Pages version
Numbers version
Release date
2
iWork '05
2.0
1.0
–
January 22, 2005
3
iWork '06
3.0
2.0
–
January 10, 2006
4
iWork '08
4.0
3.0
1.0
August 7, 2007
5
iWork '09
5.3
4.3
2.3
January 6, 2009
6
iWork 2013 update
6.0
5.0
3.0
October 22, 2013
7
iWork for iOS
2.0
2.0
2.0
October 22, 2013

Questions and formulas:
Question: What's the latest keynote version of version 2.3 of numbers with pages greater than 4.3?
Formula: MAX(FILTER(B1,(D1="2.3")*(C1>4.3)))
Formula2: MAX(FILTER(B2:B7,(D2:D7="2.3")*(C2:C7>4.3)))
Level: easy
Question: What version of iWork was released on October 22, 2013 with a pages version greater than 2?
Formula: FILTER(A1,(E1="october 22, 2013")*(C1>2))
Formula2: FILTER(A2:A7,(E2:E7="october 22, 2013")*(C2:C7>2))
Level: easy