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_17493 ( "Subjects" text, "First Year" text, "Second Year" text, "Third Year" text, "Fourth Year" text )

### Question ###
What is the first year course in the program where geometry is taken in the third year?

### Accurate SQL ###

SELECT "First Year" FROM table_17493 WHERE "Third Year" = 'Geometry'