Table:
0
A
B
C
D
E
F
G
1
Season in Tamil
English Transliteration
English Translation
Season in Sanskrit
Season in English
Tamil Months
Gregorian Months
2
இளவேனில்
ila-venil
Light warmth
Vasanta
Spring
chithirai, vaigāsi
Mid Apr - Mid Jun
3
முதுவேனில்
mutu-venil
Harsh warmth
Grishma
Summer
āni, ādi
Mid Jun - Mid Aug
4
கார்
kār
Dark clouds, Rain
Varsha
Monsoon
āvani, puratāci
Mid Aug - Mid Oct
5
குளிர்
kulir
Chill, Cold
Sharada
Autumn
aippasi, kārthigai
Mid Oct - Mid Dec
6
முன்பனி
mun-pani
Early dew
Hemanta
Winter
mārkazhi, tai
Mid Dec - Mid Feb

Questions and formulas:
Question: What are all Tamil months when the season in English is monsoon?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,E1="Monsoon"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G6,E2:E6="Monsoon"),6))
Level: medium
Question: What is every English translation when Tamil months is Mārkazhi, Tai?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,F1="mārkazhi, tai"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G6,F2:F6="mārkazhi, tai"),3))
Level: medium
Question: What is every Gregorian month when the season in Tamil is இளவேனில்?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,A1="இளவேனில்"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G6,A2:A6="இளவேனில்"),7))
Level: medium
Question: How many seasons in Tamil occur when the season in Sanskrit is Grishma?
Formula: ROWS(UNIQUE(FILTER(A1, D1="Grishma")))
Formula2: ROWS(UNIQUE(FILTER(A2:A6, D2:D6="Grishma")))
Level: medium