I want to get the label column via google ads API.
I can find the value of label column in my google ads platform.
Here is the screenshot.

And here is the query in my code.
```
query = ('SELECT
customer.id, customer.descriptive_name, customer.currency_code, \
campaign.bidding_strategy, campaign.bidding_strategy_type, campaign.payment_mode, campaign.advertising_channel_type, campaign.labels, \
'segments.date , segments.ad_network_type, '
'metrics.impressions, metrics.ctr, metrics.clicks, metrics.conversions_from_interactions_rate, metrics.conversions, \
metrics.cost_per_conversion, metrics.view_through_conversions, \
metrics.cost_micros, metrics.average_cost, metrics.average_cpm, metrics.average_cpc '
'FROM ad_group_ad '
'WHERE segments.date DURING YESTERDAY '
'ORDER BY metrics.impressions DESC ')
```
Plz help me to solve this problem.