Table:
0
A
B
C
D
E
1
Source Version
Target Version
Last Release
License
Website
2
Java 8
Java 7, 6, 5
2013-07-25, 1.1.0
Apache License 2.0
https://github.com/orfjackal/retrolambda
3
Java 5
Java 1.4, 1.3
2009-08-09, 1.2.9
BSD-like
http://retrotranslator.sourceforge.net/
4
Java 5
Java 1.4
2008-10-14, 2.0.7
BSD-like
http://retroweaver.sourceforge.net/
5
Java 5
Java 1.4
2007-11-14
LGPL or MPL
http://www.glazedlists.com/Home/declawer
6
Java 5
Java 1.4
2008-03-10, 1.1.2
LGPL
http://www.jboss.org/community/docs/DOC-10738

Questions and formulas:
Question: What is Website, when License is Apache License 2.0?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="apache license 2.0"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,D2:D6="apache license 2.0"),5))
Level: medium
Question: What is Source Version, when Target Version is Java 7, 6, 5?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="java 7, 6, 5"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,B2:B6="java 7, 6, 5"),1))
Level: medium
Question: What is Source Version, when License is LGPL or MPL?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="lgpl or mpl"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,D2:D6="lgpl or mpl"),1))
Level: medium
Question: What is Target Version, when Last Release is 2009-08-09, 1.2.9?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="2009-08-09, 1.2.9"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,C2:C6="2009-08-09, 1.2.9"),2))
Level: medium
Question: What is Website, when Last Release is 2009-08-09, 1.2.9?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="2009-08-09, 1.2.9"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,C2:C6="2009-08-09, 1.2.9"),5))
Level: medium
Question: What is Target Version, when License is LGPL or MPL?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="lgpl or mpl"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,D2:D6="lgpl or mpl"),2))
Level: medium