Fixme: Ecuador admin_level 8 boundary: El Piedrero

El Piedrero was a non-delimited territory of Ecuador situated between
the provinces of Guayas and Cañar.[1][2] It was incorporated into the
Guayas Province by the decree issued by President Rafael Correa in

[El Piedrero has no provinces added][]

Has to be is_in:state of Guayas

is_in:* tags are deprecated and shouldnt be added.

I changed the border of Guayas to contain El Piedrero

Are you sure if El Piedrero should be admin level 8 or 6?