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_51942 ( "Name" text, "Street address" text, "Years as tallest" text, "Height ft (m)" text, "Floors" real )

### Question ###
How many floors does the building on 800 Boylston Street have?

### Accurate SQL ###

SELECT MAX("Floors") FROM table_51942 WHERE "Street address" = '800 boylston street'