Table:
0
A
B
C
D
E
F
G
1
Tournament
2007
2008
2009
2010
2011
2012
2
Australian Open
A
A
Q1
Q2
Q1
1R
3
French Open
A
A
A
Q1
Q1
Q1
4
Wimbledon
Q1
A
1R
A
1R
2R
5
US Open
A
A
Q1
A
Q1
Q1
6
Win–Loss
0–0
0–0
0–1
0–0
0–1
1–2
7
Year-end Ranking
558
280
270
201
162
250

Questions and formulas:
Question: What is the 2011 entry for the row with a 2007 entry of 558?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,B1="558"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,B2:B7="558"),6))
Level: medium
Question: What is the 2010 entry for the row that has a 2009 entry of 270?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,D1=270),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,D2:D7=270),5))
Level: medium
Question: What is the 2009 entry for the row that has a 2007 entry of A and a tournament entry of US Open?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,(B1="a")*(A1="us open")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,(B2:B7="a")*(A2:A7="us open")),4))
Level: medium
Question: What is the 2008 entry for the row that as a 2011 entry of 1R?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,F1="1r"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,F2:F7="1r"),3))
Level: medium