Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_42134 ( "Name" text, "Main span metres" text, "Main span feet" text, "Year to open" real, "Country" text )

### Question ###
What was the Year to Open for the Dandeung Bridge?

### Accurate SQL ###

SELECT COUNT("Year to open") FROM table_42134 WHERE "Name" = 'dandeung bridge'