When the earning per share is listed as 22.0 what is the year to april?
CREATE TABLE "micro_focus_international_plc_financial_" (
  "year_to_april" real,
  "revenue_us_million" text,
  "ebit_us_m" text,
  "net_profit_us_m" text,
  "earnings_per_share" text
);
SELECT COUNT("year_to_april") FROM "micro_focus_international_plc_financial_" WHERE "earnings_per_share"='22.0';