Find the pixels of the screen modes that are used by both phones with full accreditation types and phones with Provisional accreditation types.
select t1.pixels from screen_mode as t1 join phone as t2 on t1.graphics_mode = t2.screen_mode where t2.accreditation_type = 'Provisional' intersect select t1.pixels from screen_mode as t1 join phone as t2 on t1.graphics_mode = t2.screen_mode where t2.accreditation_type = 'Full'