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_54263 ( "Railway" text, "Loco name" text, "Build date" real, "Wheels" text, "Disposal" text )

### Question ###
Which railway had the earliest build date and a disposal of 'Scrapped 1941?

### Accurate SQL ###

SELECT MIN("Build date") FROM table_54263 WHERE "Disposal" = 'scrapped 1941'