question: What is the last stable version where the h.264 is 3.0 and vp9 (webm) is no.
answer: SELECT latest_stable_release FROM table_26099252_1 WHERE vp9___webm__ = "No" AND h264 = "3.0"
context: CREATE TABLE table_26099252_1 (latest_stable_release VARCHAR, vp9___webm__ VARCHAR, h264 VARCHAR)