CREATE TABLE table_203_532 (id DECIMAL, "rebounds" DECIMAL, "off" DECIMAL, "def" DECIMAL, "player" TEXT, "team" TEXT, "date" TEXT, "opponent" TEXT, "score" TEXT, "minutes played" TEXT, "points" DECIMAL, "assists" DECIMAL, "steals" DECIMAL, "blocks" DECIMAL, "20-20" TEXT, "led the league in rebounding" TEXT, "notes" TEXT)

how many rebounds were there total , according to this table , in 1978 ?
SELECT SUM("rebounds") FROM table_203_532 WHERE "date" = 1978
SELECT SUM("rebounds") FROM "table_203_532" WHERE "date" = 1978