how many innings have an average of 19.60?
CREATE TABLE "bowling_averages" (
  "player" text,
  "matches" real,
  "innings" real,
  "wickets" real,
  "average" text,
  "bbi" text,
  "bbm" text,
  "5wi" real,
  "10wi" real
);
SELECT "innings" FROM "bowling_averages" WHERE "average"='19.60';