Table:
Bandra Worli Sea Link

Bandra Worli Sea Link from Bandra Fort

Coordinates	19°02′11″N 72°49′02″E﻿ / ﻿19.0364°N 72.8172°E﻿ / 19.0364; 72.8172
Carries	4 lanes of traffic in each direction
Crosses	Mahim Bay
Locale	Mumbai, Maharashtra, India
Official name	Bandra Worli Sea Link[1]
Owner	MSRDC
Maintained by	MSRDC
Characteristics
Design	Cable-stayed main spans; concrete-steel precast segment viaducts at either end
Total length	5.6 kilometres (3.5 mi)[2]
Width	2 x 20 metres (66 ft)
Height	126 metres (413 ft)[3]
Longest span	2 x 250 metres (820 ft)[4]
History
Designer	Seshadri Srinivasan[5]
Constructed by	Hindustan Construction Company, India
Construction start	2000[6]
Construction end	24 March 2010
Opened	30 June 2009 (2009-06-30)[7]
Statistics
Toll	₹70 (84¢ US) Car
₹110 (US$1.30) LCV
₹145 (US$1.70) Heavy vehicle[8]
Location

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Tell me how many rows and columns exist in the given table. Return the result as JSON in the format {"row_number": "m", "column_number": "n"}, e.g., {"row_number": "12", "column_number": "7"}.

This table has 18 rows and 2 columns. Thus, the final answer is {"row_number": "18", "column_number": "2"}.