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_23397386_2 (rank__timeslot_ VARCHAR, airdate VARCHAR)
### Question:
How many rankings (timeslot) were there for the episode that aired on May 2, 2010?
### Answer:
SELECT COUNT(rank__timeslot_) FROM table_23397386_2 WHERE airdate = "May 2, 2010"