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_19510 ( "Rank" real, "State" text, "Revenue (millions)" text, "Population" real, "Revenue per capita" text, "Spending (millions)" text, "Spending per capita" text, "Net contribution per capita" text, "Presidential majority 2000/2004" text, "Presidential majority 2008" text, "Presidential majority 2012" text, "Obamacare: Fed/ State/ Partnership" text )

### Question ###
How many times was revenue in millions recorded when the spending per capita was $6,736?

### Accurate SQL ###

SELECT COUNT("Revenue (millions)") FROM table_19510 WHERE "Spending per capita" = '$6,736'