CREATE TABLE table_203_11 (id NUMBER, "title" CLOB, "year" NUMBER, "peak chart positions\ us" NUMBER, "peak chart positions\ us r&b" NUMBER, "peak chart positions\ us rap" NUMBER, "peak chart positions\ uk" NUMBER, "certifications" CLOB, "album" CLOB)

what were the only 2 years there were riaa gold certifications ?
SELECT DISTINCT "year" FROM table_203_11 WHERE "certifications" = 'riaa: gold'
SELECT DISTINCT "year" FROM "table_203_11" WHERE "certifications" = 'riaa: gold'