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_50479 ( "Player" text, "Team" text, "Matches" real, "Overs" real, "Economy Rate" real, "Wickets" real, "Average" real, "Strike Rate" real, "Best Bowling" text )

### Question ###
What is the highest Strike Rate when the average is less than 50.25 with less than 13 matches played?

### Accurate SQL ###

SELECT MAX("Strike Rate") FROM table_50479 WHERE "Matches" < '13' AND "Average" < '50.25'