Table:
0
A
B
C
D
E
F
1
Episode
First Air Date
Rating (18–49)
Share (18–49)
Viewers (millions)
Rank (timeslot)
2
1
January 3, 2011
2.9
7
9.04
N/A
3
2
January 10, 2011
2.8
7
8.46
N/A
4
3
January 17, 2011
2.7
7
8.80
N/A
5
4
January 24, 2011
2.9
8
9.28
N/A
6
5
January 31, 2011
3.2
8
9.66
N/A
7
6
February 7, 2011
3.2
8
9.81
N/A
8
7
February 14, 2011
2.9
8
9.32
N/A
9
8
February 21, 2011
3.4
9
10.41
N/A
10
9
February 28, 2011
3.5
9
11.33
N/A
11
10
March 7, 2011
3.1
9
10.02
N/A
12
11
March 14, 2011
4.5
13
13.88
N/A

Questions and formulas:
Question: When 4.5 is the rating (18-49) what is the air date?
Formula: LET(query1,SUMMARIZE(B1,SUMX(C1)),FILTER(query1,CHOOSECOLS(query1,2)=4.5))
Formula2: LET(query1,SUMMARIZE(B2:B12,SUMX(C2:C12)),FILTER(query1,CHOOSECOLS(query1,2)=4.5))
Level: hard
Question: When 13 is the share (18-49) what is the rank (timeslot)?
Formula: LET(query1,SUMMARIZE(F1,SUMX(D1)),FILTER(query1,CHOOSECOLS(query1,2)=13))
Formula2: LET(query1,SUMMARIZE(F2:F12,SUMX(D2:D12)),FILTER(query1,CHOOSECOLS(query1,2)=13))
Level: hard
Question: When 11 is the episode what is the air date?
Formula: LET(query1,SUMMARIZE(B1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=11))
Formula2: LET(query1,SUMMARIZE(B2:B12,SUMX(A2:A12)),FILTER(query1,CHOOSECOLS(query1,2)=11))
Level: hard
Question: When there are  10.02 million viewers what is the rating (18-49)?
Formula: SUM(FILTER(C1, E1=10.02))
Formula2: SUM(FILTER(C2:C12, E2:E12=10.02))
Level: easy
Question: When there are 9.28 million viewers what is the share (18-49)?
Formula: SUM(FILTER(D1, E1=9.28))
Formula2: SUM(FILTER(D2:D12, E2:E12=9.28))
Level: easy
Question: When 4 is the episode what is the air date?
Formula: LET(query1,SUMMARIZE(B1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=4))
Formula2: LET(query1,SUMMARIZE(B2:B12,SUMX(A2:A12)),FILTER(query1,CHOOSECOLS(query1,2)=4))
Level: hard