CREATE TABLE table_29012710_1 (number_of_dairy_cows NUMBER, province VARCHAR2)

what is the most amount of cattle where they live in british columbia
SELECT MAX(number_of_dairy_cows) FROM table_29012710_1 WHERE province = "British Columbia"
SELECT MAX("number_of_dairy_cows") FROM "table_29012710_1" WHERE "British Columbia" = "province"