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_29388 ( "Province" text, "Registered voters" real, "People voted" real, "Valid votes" real, "Invalid votes" real, "Yes" real, "Yes (%)" text, "No" real, "No (%)" text, "Turnout (%)" text )

### Question ###
When 54.86% of people votes yes, howe many votes were invalid?

### Accurate SQL ###

SELECT "Invalid votes" FROM table_29388 WHERE "Yes (%)" = '54.86'