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_56345 ( "Grand Prix" text, "Date" text, "Location" text, "Pole Position" text, "Fastest Lap" text, "Winning Driver" text, "Constructor" text, "Report" text )

### Question ###
What is the Pole Position of the Portuguese Grand Prix?

### Accurate SQL ###

SELECT "Pole Position" FROM table_56345 WHERE "Grand Prix" = 'portuguese grand prix'