CREATE TABLE table_203_81 (id NUMBER, "date" CLOB, "constituency" CLOB, "gain" CLOB, "loss" CLOB, "note" CLOB)

what was the first gain on may 30th , 1963 ?
SELECT "gain" FROM table_203_81 WHERE "date" = '30 may 1963'
SELECT "gain" FROM "table_203_81" WHERE "date" = '30 may 1963'