CREATE TABLE product (product_id DECIMAL, product TEXT, dimensions TEXT, dpi DECIMAL, pages_per_minute_color DECIMAL, max_page_size TEXT, interface TEXT)
CREATE TABLE store_product (store_id DECIMAL, product_id DECIMAL)
CREATE TABLE store (store_id DECIMAL, store_name TEXT, type TEXT, area_size DECIMAL, number_of_product_category DECIMAL, ranking DECIMAL)
CREATE TABLE store_district (store_id DECIMAL, district_id DECIMAL)
CREATE TABLE district (district_id DECIMAL, district_name TEXT, headquartered_city TEXT, city_population DECIMAL, city_area DECIMAL)

Find products with max page size as 'A4' or pages per minute color smaller than 5.
SELECT product FROM product WHERE max_page_size = "A4" OR pages_per_minute_color < 5
SELECT "product" FROM "product" WHERE "A4" = "max_page_size" OR "pages_per_minute_color" < 5