Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_18752986_1 (first_season VARCHAR, home_ground_s_ VARCHAR)

### Question ###
What is the dates where Hillcrest Reserve is the home grounds?

### Accurate SQL ###

SELECT first_season FROM table_18752986_1 WHERE home_ground_s_ = "Hillcrest Reserve"