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_9391 ( "Team" text, "First NHL season" text, "Last NHL season" text, "Seasons completed" real, "Playoff appearances" real, "Series won" real, "Finals appearances" real, "Division titles" real, "Conference titles" real, "Stanley Cup Championships" real )

### Question ###
How many division titles does the team with 23 playoff appearances and more than 1 conference titles have?

### Accurate SQL ###

SELECT SUM("Division titles") FROM table_9391 WHERE "Playoff appearances" = '23' AND "Conference titles" > '1'