Table: web_browser_stats
Columns: browser
operating_system
latest_stable_release
theora
h_264
vp8_webm
vp9_webm

Question: When theora is 2.3, how much is the h.264?
SQL: SELECT "h_264" FROM web_browser_stats WHERE "theora" = '2.3'

Question: When vp8 ( webm ) is 6.0, how much is the vp9 ( webm )?
SQL: SELECT "vp9_webm" FROM web_browser_stats WHERE "vp8_webm" = '6.0'

Question: When vp8 ( webm ) is 4.4, how much is vp9 ( webm )
SQL: SELECT "vp9_webm" FROM web_browser_stats WHERE "vp8_webm" = '4.4'

Question: What is the last stable version where the h.264 is 3.0 and vp9 (webm) is no.
SQL: SELECT "latest_stable_release" FROM web_browser_stats WHERE "vp9_webm" = 'No' AND "h_264" = '3.0'

Question: When h.264 is 9.0, how much is vp9 ( webm )
SQL: SELECT "vp9_webm" FROM web_browser_stats WHERE "h_264" = '9.0'