Inner query in Linq <p>How to write a linq query to retreive questions from questions table which is not attempt by user before.</p> <p>question table</p> <pre><code>create table questions ( questionID int, question varchar, primary key(questionID) ); create table result { id int, answered_by varchar, questionid int, answer varchar, primary key (id), foreign key ( questionid) references question(questionID) ); </code></pre>