Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_78647 ( "Ecclesiastical Jurisdictions" text, "Latin name" text, "Type" text, "Rite" text, "Ecclesiastical Province" text, "Area (km 2 )" real )

### Question ###
What Ecclesiastical Province has a type diocese and a latin name alexiensis?

### Accurate SQL ###

SELECT "Ecclesiastical Province" FROM table_78647 WHERE "Type" = 'diocese' AND "Latin name" = 'alexiensis'