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_26451 ( "Name" text, "Nationality" text, "Position" text, "Appearances" real, "Starts" real, "Minutes" real, "Goals" real )

### Question ###
What is the position of the player who is from the United States and has 30 minutes?

### Accurate SQL ###

SELECT "Position" FROM table_26451 WHERE "Nationality" = 'United States' AND "Minutes" = '30'