Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_9 ( Id VARCHAR )

### Question ###
How many 2011 1H values have a 2006 of 27.4 and 2007 over 27.7?

### Accurate SQL ###

SELECT COUNT(2011 AS _1h) FROM table_name_9 WHERE 2006 = 27.4 AND 2007 > 27.7