CREATE TABLE table_15314 ("Year" FLOAT, "Ceremony" CLOB, "Category" CLOB, "Nominee" CLOB, "Result" CLOB)

In which year was Ang lica Rivera a nominee?
SELECT AVG("Year") FROM table_15314 WHERE "Nominee" = 'angélica rivera'
SELECT AVG("Year") FROM "table_15314" WHERE "Nominee" = 'angélica rivera'