CREATE TABLE table_204_350 (id DECIMAL, "date" TEXT, "opponents" TEXT, "venue" TEXT, "result" TEXT, "scorers" TEXT, "attendance" DECIMAL, "report 1" TEXT, "report 2" TEXT)

how many attended the 18 apr-68 match ?
SELECT "attendance" FROM table_204_350 WHERE "date" = '18-apr-68'
SELECT "attendance" FROM "table_204_350" WHERE "date" = '18-apr-68'