CREATE TABLE table_4250 ("Year" FLOAT, "Matches" FLOAT, "Innings" FLOAT, "Not out" FLOAT, "Runs" FLOAT, "High Score" TEXT, "100" FLOAT, "50" FLOAT, "Average" TEXT, "Strike rate" TEXT, "Catches/Stumpings" TEXT)

What is every strike rate when cathces/stumpings is 13/1?
SELECT "Strike rate" FROM table_4250 WHERE "Catches/Stumpings" = '13/1'
SELECT "Strike rate" FROM "table_4250" WHERE "Catches/Stumpings" = '13/1'