user: Question: What host city had a 2nd runner up of Woon Yeow?
Columns: ['Host city', 'Year', 'Winner', '1st runner up', '2nd runner up']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Istanbul', 1988.0, 'Neneng Robiah', 'Helena Kirsi', 'Sibel Tan']
SQL:

assistant: SELECT "Host city" FROM "Table" WHERE "2nd runner up" = 'Woon Yeow';