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_13150274_1 (years_of_operation VARCHAR, area_of_operation VARCHAR)
### Question:
When was the operation in Field 103 executed? 
### Answer:
SELECT years_of_operation FROM table_13150274_1 WHERE area_of_operation = "Field 103"