<｜begin▁of▁sentence｜>### Instruction:
Given the American College Football Graph which you can read from a gml file named football.gml, can you use the mod_r function in cdlib to perform local community detection around a specified query node ? And can you provide a JSON representation of the resulting NodeClustering object? Notes: You need to assume the query node has id 0 and print the JSON representation of the NodeClustering object.
### Response:
import networkx as nx
from cdlib import algorithms

# Read the graph
G = nx.read_gml('football.gml')

# Apply the mod_r community detection algorithm with a specified query node
query_node_id = 0  # Assuming node ids are integers
coms = algorithms.mod_r(G, query_node_id)

# Convert the NodeClustering object to JSON
json_representation = coms.to_json()

print(json_representation)
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