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_11764007_2 ( week_arrived_on_main_island VARCHAR, original_tribe VARCHAR, week_sent_to_third_island VARCHAR )

### Question ###
What week did the member who's original tribe was shark and who was sent to the third island on week 14 arrive on the main island?

### Accurate SQL ###

SELECT week_arrived_on_main_island FROM table_11764007_2 WHERE original_tribe = "Shark" AND week_sent_to_third_island = "14"