Table:
0
A
B
C
D
E
1
Romaji title
Japanese title
Release date
Reference
Oricon
2
TENCA wo Torou! ~Uchida no Yabou~
TENCAを取ろう~内田の野望
1994/10/21
KIDS-220
1
3
Ashita wa Ashita no Kaze ga Fuku
明日は明日の風が吹く
1995/04/05
KIDS-240
3
4
Only You
Only You
1995/04/21
KIDS-250
2
5
Baby's Growing Up
Baby's Growing Up
1995/08/19
KIDS-270
5
6
Shiawase ni Naritai
幸せになりたい
1996/01/24
KIDS-280
6
7
Ever & Ever (Uchida Yuki & m.C.A.T)
Ever & Ever
1996/07/17
KIDS-300
8
8
Aishiteru
アイシテル
1997/02/21
KIDS-330
23
9
Da.i.su.ki
Da.i.su.ki
1997/05/21
KIDS-340
29
10
Heartbreak Sniper
ハートブレイク　スナイパー
1998/09/23
KIDS-370
32
11
Rakuen
楽園
1999/08/25
KIDS-430
28

Questions and formulas:
Question: What release date is when kids-270 is a reference? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="KIDS-270"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,D2:D11="KIDS-270"),3))
Level: medium
Question: what is the title where romaji is titles da.i.su.ki
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="Da.i.su.ki"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,A2:A11="Da.i.su.ki"),2))
Level: medium
Question: what are the title in japanese where the reference is kids-430?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="KIDS-430"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,D2:D11="KIDS-430"),2))
Level: medium
Question: who is the reference when romaji title is heartbreak sniper?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="Heartbreak Sniper"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,A2:A11="Heartbreak Sniper"),4))
Level: medium