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_12148147_2 (second_year VARCHAR, fourth_year VARCHAR)

### Question ###
What is the second year course in the program where physics is taken in the fourth year?

### Accurate SQL ###

SELECT second_year FROM table_12148147_2 WHERE fourth_year = "Physics"