CREATE TABLE table_203_540 (id DECIMAL, "symbol" TEXT, "gsi" TEXT, "meaning" TEXT, "unicode" TEXT, "description" TEXT)

which has a unicode of u +22 a1 , the benchmark symbol or the factory symbol ?
SELECT "meaning" FROM table_203_540 WHERE "unicode" = 'u+22a1'
SELECT "meaning" FROM "table_203_540" WHERE "unicode" = 'u+22a1'