text: This place was adjacent to a well where the water goddess Coventina was worshiped.
full_question: This place was adjacent to a well where the water goddess Coventina was worshiped. Information aboutthis place was found on the Rudge Cup. The creation of this place is referenced in a limerick which promptedits designer to write "I don't want to be a Florus, please." A revolt near this structure signaled the beginning ofthe Great Conspiracy, which was put down by Count Theodosius. A birthday invitation was found on one ofthe Vindolanda tablets, which were unearthed near this structure. The creator of this structure laterestablished the Panhellenion in Greece and put down the Bar Kokhba revolt. This structure was intended tostop Pictish raids from Caledonia. For 10 points, name this fortification supplemented by one built byAntoninus Pius, a wall in northern Britain sponsored by a "good" Roman emperor. 
first_sentence: This place was adjacent to a well where the water goddess Coventina was worshiped.
raw_answer: Hadrian's Wall [or Vallum Aelium] 