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_name_59 ( attendance INTEGER, home VARCHAR, points VARCHAR )

### Question ###
Which Attendance has a Home of philadelphia, and Points smaller than 23?

### Accurate SQL ###

SELECT SUM(attendance) FROM table_name_59 WHERE home = "philadelphia" AND points < 23