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_76792 ( "Pick" real, "Pos." text, "Nationality" text, "Team" text, "Previous team" text, "NBA years [a ]" text, "Career with the franchise [b ]" text )

### Question ###
How many NBA years did the player from the United States who was previously on the los angeles lakers have?

### Accurate SQL ###

SELECT "NBA years [a ]" FROM table_76792 WHERE "Nationality" = 'united states' AND "Previous team" = 'los angeles lakers'