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_11 (score VARCHAR, date VARCHAR, match VARCHAR, home_away VARCHAR)

### Question ###
What was the score for a match before 13, and a home game on April 21, 2008?

### Accurate SQL ###

SELECT score FROM table_name_11 WHERE match < 13 AND home_away = "home" AND date = "april 21, 2008"