CREATE TABLE table_33437 ("Country Name" CLOB, "1961-65" CLOB, "1966-70" CLOB, "1971-75" CLOB, "1976-80" CLOB, "1981-85" CLOB, "1986-90" CLOB, "1991-95" CLOB, "1996\\u20132000" CLOB, "2001-05" CLOB, "2006-10" CLOB)

What was the 1971-75 rate for the country that has a 1986-90 rate of -5.28%?
SELECT "1971-75" FROM table_33437 WHERE "1986-90" = '-5.28%'
SELECT "1971-75" FROM "table_33437" WHERE "1986-90" = '-5.28%'