7246
The Weihai agricultural new high level technology development and model zone introduced a new potato variety , and after cultivation and breeding , has provided 50,000 kg of potatoes to society this year .
 geographical social political: Weihai; quantity: 50,000 kg; date: this year
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 geographical social political: Weihai; quantity: 50,000 kg; date: this year