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_7562 ( "1st built" real, "1913 Class" text, "W.A." text, "No. Built" real, "Builder" text, "Date" text, "LNER Class" text )

### Question ###
What is the 1913 class of locomotive that has a 1st built value under 494 and WA of 4-4-0t?

### Accurate SQL ###

SELECT "1913 Class" FROM table_7562 WHERE "1st built" < '494' AND "W.A." = '4-4-0t'