Table: holding_companies
Columns: company_name
holding_companies
subsidiaries
description_of_activities
parent_holding_company

Question: How many subsidiaries of Postermobile Limited?
SQL: SELECT "subsidiaries" FROM holding_companies WHERE "company_name" = 'POSTERMOBILE LIMITED'

Question: What activities does Clear Channel Entertainment Facilitation Limited engage in?
SQL: SELECT "description_of_activities" FROM holding_companies WHERE "company_name" = 'CLEAR CHANNEL ENTERTAINMENT FACILITATION LIMITED'

Question: How many subsidiaries of company F M Media Limited?
SQL: SELECT "subsidiaries" FROM holding_companies WHERE "company_name" = 'F M MEDIA LIMITED'

Question: How many subsidiaries are there of Postermobile Advertising Limited?
SQL: SELECT MIN("subsidiaries") FROM holding_companies WHERE "company_name" = 'POSTERMOBILE ADVERTISING LIMITED'

Question: What is the largest number of holding companies?
SQL: SELECT MAX("holding_companies") FROM holding_companies

Question: How many companies have Postermobile Limited as a parent company?
SQL: SELECT COUNT("company_name") FROM holding_companies WHERE "parent_holding_company" = 'POSTERMOBILE LIMITED'