CREATE TABLE table_42948 ("Federal State" TEXT, "Number of Members" FLOAT, "% Of total Members" TEXT, "Population  ( on the census also called Censo 2010 ) " TEXT, "% Of the population  ( Censo 2010 ) " TEXT, "Representativeness  ( Inhabitants / Mr ) " TEXT, "Representatives of national average" TEXT, "Deputies required ignoring the limits" FLOAT)

According to the 2010 census, what was the population for the federal state that had less than -6 deputies required ignoring the limits?
SELECT "Population (on the census also called Censo 2010)" FROM table_42948 WHERE "Deputies required ignoring the limits" < '-6'
SELECT "Population (on the census also called Censo 2010)" FROM "table_42948" WHERE "Deputies required ignoring the limits" < '-6'