What is Nelspruit's population?
CREATE TABLE table_45401 (
    "Province" text,
    "Provincial capital" text,
    "Largest city" text,
    "Area (km 2 )" real,
    "Population (2013)" real
)
SELECT COUNT("Population (2013)") FROM table_45401 WHERE "Largest city" = 'nelspruit'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is Nelspruit's population? ### Input: CREATE TABLE table_45401 (
    "Province" text,
    "Provincial capital" text,
    "Largest city" text,
    "Area (km 2 )" real,
    "Population (2013)" real
) ### Response: SELECT COUNT("Population (2013)") FROM table_45401 WHERE "Largest city" = 'nelspruit'