Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_64647 ( "Year" real, "Title" text, "From album" text, "Label" text, "Label-Nr" text )

### Question ###
Which Label-Nr has a Year smaller than 1968, and a Label of world pacific, and an album of chile con soul?

### Accurate SQL ###

SELECT "Label-Nr" FROM table_64647 WHERE "Year" < '1968' AND "Label" = 'world pacific' AND "From album" = 'chile con soul'