Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_12887260_1 (main_developer VARCHAR, first_release VARCHAR, console VARCHAR)
### Question:
Which main developer made their first release in 1991 and created the Mega Drive/Genesis console?
### Answer:
SELECT main_developer FROM table_12887260_1 WHERE first_release = 1991 AND console = "Mega Drive/Genesis"