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_55815 ( "Locomotive" text, "Serial No" text, "Entered service" text, "Gauge" text, "Livery" text )

### Question ###
What is the date of entered service for the locomotive with a broad gauge and a serial no of 83-1018?

### Accurate SQL ###

SELECT "Entered service" FROM table_55815 WHERE "Gauge" = 'broad' AND "Serial No" = '83-1018'