CREATE TABLE table_203_823 (id DECIMAL, "model name" TEXT, "date" TEXT, "type" TEXT, "thrust  ( kg )  / power  ( eshp ) " TEXT, "fitted to" TEXT)

what model names were dated after 1960 ?
SELECT "model name" FROM table_203_823 WHERE "date" > 1960
SELECT "model name" FROM "table_203_823" WHERE "date" > 1960