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_70651 ( "Date" text, "Opponent" text, "Score" text, "Loss" text, "Attendance" real, "Record" text )

### Question ###
How low is the Attendance that has an Opponent of devil rays and a Date of may 13?

### Accurate SQL ###

SELECT MIN("Attendance") FROM table_70651 WHERE "Opponent" = 'devil rays' AND "Date" = 'may 13'