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_43562 ( "1946 Nos" text, "1947 Nos" text, "Date" real, "Built at" text, "LMS Nos" text, "BR Nos" text )

### Question ###
Which 1947 Nos has a BR Nos of 48730-9?

### Accurate SQL ###

SELECT "1947 Nos" FROM table_43562 WHERE "BR Nos" = '48730-9'