CREATE TABLE table_name_98 (sunlight_hours NUMBER, city_town VARCHAR2, days_with_frost VARCHAR2)

What is the lowest number of sunlight hours, and number of days with frost, more than 30, for the city of Ourense?
SELECT MIN(sunlight_hours) FROM table_name_98 WHERE city_town = "ourense" AND days_with_frost > 30
SELECT MIN("sunlight_hours") FROM "table_name_98" WHERE "city_town" = "ourense" AND "days_with_frost" > 30