Table:
0
A
B
C
D
E
F
G
H
I
1
No.
Air Date
Rating
Share
18-49 (Rating/Share)
Viewers (m)
Night
Timeslot
Overall
2
1
October 19, 2007
2.1
4
1.5/5
3.57
9
5
83/97
3
2
October 26, 2007
1.8
3
1.2/4
2.89
10
5
87/97
4
3
November 2, 2007
1.4
3
1.0/3
2.31
11
5
92/100
5
4
November 9, 2007
1.8
3
1.0/4
2.69
12
5
91/101
6
5
November 16, 2007
1.7
3
1.1/4
2.57
12
5
94/101
7
6
November 23, 2007
1.6
3
1.1/3
2.61
10
5
83/95
8
7
November 30, 2007
1.5
3
0.9/3
2.16
10
5
92/98
9
8
December 7, 2007
1.9
3
1.2/4
3.04
12
5
87/102
10
9
December 14, 2007
1.8
3
1.1/3
3.14
9
4
84/98

Questions and formulas:
Question:  how many air date with overall being 83/95
Formula: ROWS(UNIQUE(FILTER(B1, I1="83/95")))
Formula2: ROWS(UNIQUE(FILTER(B2:B10, I2:I10="83/95")))
Level: medium
Question:  how many viewers (m) with overall being 91/101
Formula: SUMIFS(F1,I1,"91/101")
Formula2: SUMIFS(F2:F10,I2:I10,"91/101")
Level: easy
Question: what are all the rating with viewers (m) being 2.89
Formula: SUM(FILTER(C1, F1=2.89))
Formula2: SUM(FILTER(C2:C10, F2:F10=2.89))
Level: easy
Question: what are all the overall with rating being 1.4
Formula: LET(query1,SUMMARIZE(I1,SUMX(C1)),FILTER(query1,CHOOSECOLS(query1,2)=1.4))
Formula2: LET(query1,SUMMARIZE(I2:I10,SUMX(C2:C10)),FILTER(query1,CHOOSECOLS(query1,2)=1.4))
Level: hard
Question: what are all the overall with viewers (m) being 2.61
Formula: LET(query1,SUMMARIZE(I1,SUMX(F1)),FILTER(query1,CHOOSECOLS(query1,2)=2.61))
Formula2: LET(query1,SUMMARIZE(I2:I10,SUMX(F2:F10)),FILTER(query1,CHOOSECOLS(query1,2)=2.61))
Level: hard
Question: what are all the rating with viewers (m) being 2.61
Formula: SUM(FILTER(C1, F1=2.61))
Formula2: SUM(FILTER(C2:C10, F2:F10=2.61))
Level: easy