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_name_55 (original_west_end_cast VARCHAR, first_us_tour_cast VARCHAR)

### Question ###
Who was the Original West End Cast when the irst US Tour Cast was lael van keuren?

### Accurate SQL ###

SELECT original_west_end_cast FROM table_name_55 WHERE first_us_tour_cast = "lael van keuren"