CREATE TABLE table_42950 ("Name" TEXT, "Date of Birth" TEXT, "Height" FLOAT, "Weight" FLOAT, "Spike" FLOAT, "Block" FLOAT)

What is the number of weight values associated with 340 blocks and more than 353 spikes?
SELECT COUNT("Weight") FROM table_42950 WHERE "Block" = '340' AND "Spike" > '353'
SELECT COUNT("Weight") FROM "table_42950" WHERE "Block" = '340' AND "Spike" > '353'