In how many events was Puma 20 and abu dhabi 30?
CREATE TABLE "table1_26894949_2" (
  "event" text,
  "start_date" text,
  "finish_date" text,
  "start" text,
  "finish" text,
  "distance" text,
  "abu_dhabi" text,
  "camper" real,
  "groupama" real,
  "puma" text,
  "sanya" text,
  "telef_nica" real
);
SELECT COUNT("event") FROM "table1_26894949_2" WHERE "puma"='20' AND "abu_dhabi"='30';