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 roller_coaster ( roller_coaster_id number, name text, park text, country_id number, length number, height number, speed text, opened text, status text )
TABLE: CREATE TABLE country ( country_id number, name text, population number, area number, languages text )

### Question ###
What are the lengths and heights of roller coasters?

### Accurate SQL ###

SELECT length, height FROM roller_coaster