CREATE TABLE table_7622 ("Sign" TEXT, "Element" TEXT, "Qualities" TEXT, "Season: North" TEXT, "Season: South" TEXT)

What is the sign of the water element with a cold & dry (autumn/earth) north season?
SELECT "Sign" FROM table_7622 WHERE "Season: North" = 'cold & dry (autumn/earth)' AND "Element" = 'water'
SELECT "Sign" FROM "table_7622" WHERE "Element" = 'water' AND "Season: North" = 'cold & dry (autumn/earth)'