CREATE TABLE product (product VARCHAR2, max_page_size VARCHAR2, pages_per_minute_color VARCHAR2)

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