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_25213146_2 (pole_position VARCHAR, date VARCHAR)
### Question:
How many Pole Positions were there on 30 March?
### Answer:
SELECT COUNT(pole_position) FROM table_25213146_2 WHERE date = "30 March"