Name the economic class for punong barangay being antonio b. gangan
CREATE TABLE table_19317 (
    "Barangay" text,
    "Population (2010)" real,
    "Economic Class" text,
    "Land Area (In sqm.)" real,
    "Punong Barangay (Term 2010-2013)" text
)
SELECT "Economic Class" FROM table_19317 WHERE "Punong Barangay (Term 2010-2013)" = 'Antonio B. Gangan'
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 economic class for punong barangay being antonio b. gangan ### Input: CREATE TABLE table_19317 (
    "Barangay" text,
    "Population (2010)" real,
    "Economic Class" text,
    "Land Area (In sqm.)" real,
    "Punong Barangay (Term 2010-2013)" text
) ### Response: SELECT "Economic Class" FROM table_19317 WHERE "Punong Barangay (Term 2010-2013)" = 'Antonio B. Gangan'