Name the number for service dates for hoosier energy for petersburg
CREATE TABLE table_73601 (
    "Name" text,
    "Location" text,
    "Act. Units" real,
    "Stacks" text,
    "In Service Dates" text,
    "Unit Capacity (2009)" text,
    "Nameplate Capacity (2009 MW )" text,
    "Owner Type" text,
    "Owner(s) (2009)" text
)
SELECT COUNT("In Service Dates") FROM table_73601 WHERE "Owner(s) (2009)" = 'Hoosier Energy' AND "Location" = 'Petersburg'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Name the number for service dates for hoosier energy for petersburg ### Input: CREATE TABLE table_73601 (
    "Name" text,
    "Location" text,
    "Act. Units" real,
    "Stacks" text,
    "In Service Dates" text,
    "Unit Capacity (2009)" text,
    "Nameplate Capacity (2009 MW )" text,
    "Owner Type" text,
    "Owner(s) (2009)" text
) ### Response: SELECT COUNT("In Service Dates") FROM table_73601 WHERE "Owner(s) (2009)" = 'Hoosier Energy' AND "Location" = 'Petersburg'