CREATE TABLE table_52197 ("Release format" CLOB, "Country" CLOB, "Label" CLOB, "Cat. No." CLOB, "Release date" FLOAT)

On what date did Epic label start its release?
SELECT SUM("Release date") FROM table_52197 WHERE "Label" = 'epic'
SELECT SUM("Release date") FROM "table_52197" WHERE "Label" = 'epic'