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_20 ( total INTEGER, club VARCHAR, fa_cup_goals VARCHAR, league_goals VARCHAR )

### Question ###
What is the average Total, when FA Cup Goals is 1, when League Goals is 10, and when Club is Crystal Palace?

### Accurate SQL ###

SELECT AVG(total) FROM table_name_20 WHERE fa_cup_goals = "1" AND league_goals = "10" AND club = "crystal palace"