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_19 ( rank INTEGER, lowest_point VARCHAR, canton VARCHAR )

### Question ###
What rank is Vaud with the lowest point is Lake Geneva?

### Accurate SQL ###

SELECT SUM(rank) FROM table_name_19 WHERE lowest_point = "lake geneva" AND canton = "vaud"