Table: music_charts
Columns: romaji_title
japanese_title
release_date
reference
oricon

Question: What release date is when kids-270 is a reference? 
SQL: SELECT "release_date" FROM music_charts WHERE "reference" = 'KIDS-270'

Question: what is the title where romaji is titles da.i.su.ki
SQL: SELECT "japanese_title" FROM music_charts WHERE "romaji_title" = 'Da.i.su.ki'

Question: what are the title in japanese where the reference is kids-430?
SQL: SELECT "japanese_title" FROM music_charts WHERE "reference" = 'KIDS-430'

Question: who is the reference when romaji title is heartbreak sniper?
SQL: SELECT "reference" FROM music_charts WHERE "romaji_title" = 'Heartbreak Sniper'