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_29686983_1 ( circuit VARCHAR, fastest_lap VARCHAR, winning_rider VARCHAR )

### Question ###
what is the circuit where the fastest lap is sam lowes and the winning rider is luca scassa?

### Accurate SQL ###

SELECT circuit FROM table_29686983_1 WHERE fastest_lap = "Sam Lowes" AND winning_rider = "Luca Scassa"