CREATE TABLE table_203_192 (id DECIMAL, "year" DECIMAL, "competition" TEXT, "venue" TEXT, "position" TEXT, "notes" TEXT)

at what competition did david receive the least position ?
SELECT "competition" FROM table_203_192 ORDER BY "position" DESC LIMIT 1
SELECT "competition" FROM "table_203_192" ORDER BY "position" DESC NULLS LAST LIMIT 1