CREATE TABLE table_12837_1 (days_with_rain__year_summer_ VARCHAR, city_town VARCHAR)

What is the days with rain figure for the city of Santiago de Compostela?
SELECT days_with_rain__year_summer_ FROM table_12837_1 WHERE city_town = "Santiago de Compostela"
SELECT "days_with_rain__year_summer_" FROM "table_12837_1" WHERE "Santiago de Compostela" = "city_town"