CREATE TABLE table_79288 ("TV Station  ( Operator ) " CLOB, "2005" FLOAT, "2006" FLOAT, "2007" FLOAT, "2008" FLOAT, "2009" FLOAT, "2010" FLOAT, "2011 1H" FLOAT)

What is the average 2007 value for a 2006 of 2.8 and 2009 under 20?
SELECT AVG("2007") FROM table_79288 WHERE "2009" < '20' AND "2006" = '2.8'
SELECT AVG("2007") FROM "table_79288" WHERE "2006" = '2.8' AND "2009" < '20'