CREATE TABLE table_49642 ("Governorate" CLOB, "Seats 2010" FLOAT, "Seats 2005" FLOAT, "In/de-creased by" FLOAT, "Percentage in/de-crease" CLOB)

How many Seats 2005 has a Percentage in/de-crease of 50.0%, and a Governorate of dhi qar governorate, and a In/de-creased by larger than 6?
SELECT SUM("Seats 2005") FROM table_49642 WHERE "Percentage in/de-crease" = '50.0%' AND "Governorate" = 'dhi qar governorate' AND "In/de-creased by" > '6'
SELECT SUM("Seats 2005") FROM "table_49642" WHERE "Governorate" = 'dhi qar governorate' AND "In/de-creased by" > '6' AND "Percentage in/de-crease" = '50.0%'