CREATE TABLE table_14443 ("Player" CLOB, "Position" CLOB, "Round" CLOB, "Overall" FLOAT, "MLB Team" CLOB)

What round was less than 545 overall for San Francisco Giants?
SELECT "Round" FROM table_14443 WHERE "Overall" < '545' AND "MLB Team" = 'san francisco giants'
SELECT "Round" FROM "table_14443" WHERE "MLB Team" = 'san francisco giants' AND "Overall" < '545'