CREATE TABLE table_76816 ("1976" CLOB, "1977" CLOB, "1978" CLOB, "1979" CLOB, "1980" CLOB)

what is 1980 when 1978 is 2.3?
SELECT "1980" FROM table_76816 WHERE "1978" = '2.3'
SELECT "1980" FROM "table_76816" WHERE "1978" = '2.3'