CREATE TABLE table_name_26 (Id VARCHAR)

What is the average 2006 value with a 2010 value of 417.9 and a 2011 value greater than 426.7?
SELECT AVG(2006) FROM table_name_26 WHERE 2010 = 417.9 AND 2011 > 426.7
SELECT AVG(2006) FROM "table_name_26" WHERE FALSE