user: Question: What is China's  International tourism expenditure (2011)?
Columns: ['Rank', 'Country', 'UNWTO Region', 'International tourism expenditure (2012)', 'International tourism expenditure (2011)']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'China', 'Asia', '$102.0 billion', '$72.6 billion']
SQL:

assistant: SELECT "International tourism expenditure (2011)" FROM "Table" WHERE "Country" = 'China';