When theora is 2.3, how much is the h.264?
CREATE TABLE "table1_26099252_1" (
  "browser" text,
  "operating_system" text,
  "latest_stable_release" text,
  "theora" text,
  "h_264" text,
  "vp8_web_m" text,
  "vp9_web_m" text
);
SELECT "h_264" FROM "table1_26099252_1" WHERE "theora"='2.3';