Table:
0
A
B
C
D
E
F
1
Year
Song
Film
Co-Singer
Composer
Lyricist
2
2013
Hridoy Aamar Nache Re
Shunyo Awnko
None
Rabindranath Tagore
Rabindranath Tagore
3
2013
Aloy Alokmoy Kore
Shunyo Awnko
None
Rabindranath Tagore
Rabindranath Tagore
4
2013
Emoni Barasha Chhilo Sedin
Shunyo Awnko
None
Kamal Dasgupta
Pranab Roy
5
2013
Rabso Neha Laage ( Bilaval Bandish )
Shunyo Awnko
Ajoy Chakraborty
Gautam Ghose
Gautam Ghose
6
2012
Bhalobashi
Teen Kanya
None
Indradeep Dasgupta
Srijato
7
2012
Rahoon Tere Peechhe Peechhe
Paanch Adhyay
None
Shantanu Moitra
Swanand Kirkire
8
2011
Paata Jhora Brishti
Chaplin
Shaan
Indradeep Dasgupta
Srijato
9
2011
Phire Ja Re Mon Ja
Jaani Dyakha Hawbe
None
Indradeep Dasgupta
Srijato
10
2005
Vaishnava Jan To
Water
Ajoy Chakraborty
Sukhwinder Singh
Sukhwinder Singh

Questions and formulas:
Question: What co-singer has sukhwinder singh as the composer?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="sukhwinder singh"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,E2:E10="sukhwinder singh"),4))
Level: medium