Write SQL query to solve given problem: In which streets of the city of San Francisco are there restaurants that serve seafood?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.street_name FROM location AS T1 INNER JOIN generalinfo AS T2 ON T1.id_restaurant = T2.id_restaurant WHERE T1.city = 'san francisco' AND T2.food_type = 'seafood' AND street_name IS NOT NULL