CREATE TABLE table_20897 ("Player" TEXT, "Team" TEXT, "Matches" FLOAT, "Wickets" FLOAT, "Average" TEXT, "Best Bowling" TEXT)

How many matches had 11 wickets?
SELECT MAX("Matches") FROM table_20897 WHERE "Wickets" = '11'
SELECT MAX("Matches") FROM "table_20897" WHERE "Wickets" = '11'