CREATE TABLE table_50479 ("Player" TEXT, "Team" TEXT, "Matches" FLOAT, "Overs" FLOAT, "Economy Rate" FLOAT, "Wickets" FLOAT, "Average" FLOAT, "Strike Rate" FLOAT, "Best Bowling" TEXT)

What is the highest Strike Rate when the average is less than 50.25 with less than 13 matches played?
SELECT MAX("Strike Rate") FROM table_50479 WHERE "Matches" < '13' AND "Average" < '50.25'
SELECT MAX("Strike Rate") FROM "table_50479" WHERE "Average" < '50.25' AND "Matches" < '13'