user: Question: When theora is 2.3, how much is the h.264?
Columns: ['Browser', 'Operating system', 'Latest stable release', 'Theora', 'H.264', 'VP8 ( WebM )', 'VP9 ( WebM )']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Android browser', 'Android', '4.2.1 "Jelly Bean" (November27, 2012 ) [±]', '2.3', '3.0', '2.3', 'No']
SQL:

assistant: SELECT "H.264" FROM "Table" WHERE "Theora" = '2.3';