Example usage:
{{Convention
|title1=Example
|image1=Example
|caption1=Example
|date(s)=Example
|city=Example
|venue=Example
|chair=Example
|notable_speakers=Example
|presidential_nominee=Example
|vice_presidential_nominee=Example
|other_candidates=Example
|total_delegates=Example
|votes_needed_for_nomination=Example
|results_(president)=Example
|results_(vice_president)=Example
}}