CREATE TABLE table_203_507 (id DECIMAL, "#" TEXT, "player" TEXT, "\\u03c3 points" DECIMAL, "qual." DECIMAL, "final" DECIMAL)

jan schulz is ranked immediately below which player ?
SELECT "player" FROM table_203_507 WHERE id = (SELECT id FROM table_203_507 WHERE "player" = 'jan schulz') - 1
SELECT "player" FROM "table_203_507" WHERE "id" = (SELECT "id" FROM "table_203_507" WHERE "player" = 'jan schulz') - 1