Table:
text: WTA International tournaments
Events
Events
Tournament Also_currently_known_as City Country Court_surface Defending_champion
Auckland ASB Classic Auckland New Zealand Outdoors hard Agnieszka Radwańska
Shenzhen Shenzhen Gemdale Open Shenzhen China Outdoors hard Na Li
Hobart Moorilla Hobart International Hobart Australia Outdoors hard Elena Vesnina
Pattaya PTT Pattaya Women`s Open Pattaya Thailand Outdoors hard Maria Kirilenko
Rio de Janeiro Rio de Janeiro Open Rio de Janeiro Brazil Red clay New event for 2014
Acapulco Abierto Mexicano TELCEL presentado por HSBC Acapulco Mexico Outdoors red clay Sara Errani
Florianópolis WTA Brasil Tennis Cup Florianópolis Brazil Outdoors hard Monica Niculescu
Monterrey Monterrey Open Monterrey Mexico Outdoors hard Anastasia Pavlyuchenkova

Question: How many defending champions from Thailand among the WTA International tournaments?