How to connect to a BigQuery database

datasource_config = {
    "name": "my_bigquery_datasource",
    "class_name": "Datasource",
    "execution_engine": {
        "class_name": "SqlAlchemyExecutionEngine",
        "connection_string": "bigquery://<gcp_project_name>/<bigquery_dataset>",
    },
    "data_connectors": {
        "default_runtime_data_connector_name": {
            "class_name": "RuntimeDataConnector",
            "batch_identifiers": ["default_identifier_name"],
        },
        "default_inferred_data_connector_name": {
            "class_name": "InferredAssetSqlDataConnector",
            "include_schema_name": True,
        },
    },
}