human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: TV Station (Operator), 2005, 2006, 2007, 2008, 2009, 2010, 2011 1H
###Question: How many 2011 1H values have a 2006 of 27.4 and 2007 over 27.7?
gpt
SELECT COUNT 2011 1H FROM table WHERE 2006 = 27.4 AND 2007 > 27.7