CREATE TABLE table_50376 ("Name" TEXT, "Date" TEXT, "Goals" FLOAT, "Assists" FLOAT, "Team" TEXT, "Venue" TEXT, "Opponent" TEXT, "Competition" TEXT, "Total Gs" FLOAT, "Total As" FLOAT)

What is the sum of the total As of team bucheon sk, who had the chunnam dragons as their opponent at the bucheon venue?
SELECT SUM("Total As") FROM table_50376 WHERE "Team" = 'bucheon sk' AND "Opponent" = 'chunnam dragons' AND "Venue" = 'bucheon'
SELECT SUM("Total As") FROM "table_50376" WHERE "Opponent" = 'chunnam dragons' AND "Team" = 'bucheon sk' AND "Venue" = 'bucheon'