Table:
0
A
B
C
D
E
1
Name
Wins
Start
Duration
Defeated by
2
Futabayama
69
7th day January 1936
2 years 11 months 27 days
Akinoumi
3
Tanikaze
63
1st day October 1778
3 years 4 months 5 days
Onogawa
4
Hakuhō
63
14th day January 2010
9 months 23 days
Kisenosato
5
Umegatani I
58
1st day April 1876
4 years 9 months 7 days
Wakashima
6
Tachiyama
56
9th day January 1912
4 years 3 months 29 days
Tochigiyama
7
Chiyonofuji
53
7th day May 1988
6 months 8 days
Ōnokuni
8
Taihō
45
2nd day September 1968
6 months 0 days
Toda

Questions and formulas:
Question: What is the Duration for less than 53 consecutive wins?
Formula: FILTER(D1,B1<53)
Formula2: FILTER(D2:D8,B2:B8<53)
Level: easy
Question: How many wins were held before being defeated by toda?
Formula: ROWS(FILTER(B1,E1="toda"))
Formula2: ROWS(FILTER(B2:B8,E2:E8="toda"))
Level: easy