CREATE TABLE table_54674 ("Year" FLOAT, "Pick" CLOB, "Player name" CLOB, "Position" CLOB, "College" CLOB)

I want the sum of year for mark barron
SELECT SUM("Year") FROM table_54674 WHERE "Player name" = 'mark barron'
SELECT SUM("Year") FROM "table_54674" WHERE "Player name" = 'mark barron'