CREATE TABLE table_66518 ("Name" TEXT, "GP-GS" TEXT, "Receptions" FLOAT, "Long" FLOAT, "Avg/G" FLOAT)

what is the avg/g for john conner when long is less than 25?
SELECT SUM("Avg/G") FROM table_66518 WHERE "Name" = 'john conner' AND "Long" < '25'
SELECT SUM("Avg/G") FROM "table_66518" WHERE "Long" < '25' AND "Name" = 'john conner'