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_10837 ( "Rank" real, "Constituency" text, "Winning party 2007" text, "Swing to gain" real, "PC's place 2007" text, "Result" text )

### Question ###
What rank was caerphilly with a Swing smaller than 6.92?

### Accurate SQL ###

SELECT COUNT("Rank") FROM table_10837 WHERE "Swing to gain" < '6.92' AND "Constituency" = 'caerphilly'