Task: Question Understanding
Input (English): Context : Abhisit Vejjajiva (Thai: อภิสิทธิ์ เวชชาชีวะ; rtgs: Aphisit Wetchachiwa (Thai pronunciation); IPA: (ʔà.pʰí.sìt wêːt.tɕʰāː.tɕʰīː.wáʔ) pronunciation ; born 3 August 1964) is a Thai politician who was the 27th prime minister of Thailand from 2008 to 2011 and is the current leader of the Democrat Party. 
Question : What was Abhisit Vejjajiva's career?
Output (English): occupation